{
 "meta": {
  "title": "New Jersey Housing Age by Municipality (VGJ Floors service area)",
  "description": "Median year built, share of pre-1978 and pre-1940 housing, and derived era/lead-risk tiers for the 185 New Jersey municipalities served by VGJ Floors.",
  "source": "US Census Bureau, American Community Survey 2023 5-Year Estimates, tables B01003, B25001, B25034, B25035",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "records": 185,
  "method_notes": [
   "pct_pre_1978 is an ESTIMATE. The Census reports a 1970-1979 bracket rather than a 1978 cut; 80% of that bracket (8 of 10 years) is attributed to the pre-1978 period and added to the older brackets.",
   "pct_pre_1940 is exact: the B25034 bracket is '1939 or earlier'.",
   "median_home_year is bottom-coded by the Census at 1938, meaning '1938 or earlier'. Rows where this applies are flagged in median_year_is_bottom_coded.",
   "era_tier, lead_risk and market_tier are deterministic classifications derived from the Census values, not separate measurements."
  ]
 },
 "data": [
  {
   "slug": "aberdeen-nj",
   "name": "Aberdeen",
   "county": "Monmouth County",
   "type": "township",
   "population": "19274",
   "housing_units": "8104",
   "median_home_year": "1970",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "57.2",
   "pct_pre_1940": "8.7",
   "era_tier": "postwar",
   "lead_risk": "moderate",
   "market_tier": "mid"
  },
  {
   "slug": "allenhurst-nj",
   "name": "Allenhurst",
   "county": "Monmouth County",
   "type": "borough",
   "population": "387",
   "housing_units": "337",
   "median_home_year": "1938",
   "median_year_is_bottom_coded": "yes",
   "pct_pre_1978": "88.2",
   "pct_pre_1940": "61.7",
   "era_tier": "historic",
   "lead_risk": "high",
   "market_tier": "small"
  },
  {
   "slug": "allentown-nj",
   "name": "Allentown",
   "county": "Monmouth County",
   "type": "borough",
   "population": "1926",
   "housing_units": "721",
   "median_home_year": "1954",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "82.8",
   "pct_pre_1940": "30.5",
   "era_tier": "prewar_mix",
   "lead_risk": "high",
   "market_tier": "small"
  },
  {
   "slug": "asbury-park-nj",
   "name": "Asbury Park",
   "county": "Monmouth County",
   "type": "city",
   "population": "15239",
   "housing_units": "8851",
   "median_home_year": "1959",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "69.8",
   "pct_pre_1940": "38.1",
   "era_tier": "historic",
   "lead_risk": "moderate",
   "market_tier": "mid"
  },
  {
   "slug": "atlantic-highlands-nj",
   "name": "Atlantic Highlands",
   "county": "Monmouth County",
   "type": "borough",
   "population": "4409",
   "housing_units": "2084",
   "median_home_year": "1960",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "71.9",
   "pct_pre_1940": "28.9",
   "era_tier": "postwar",
   "lead_risk": "high",
   "market_tier": "small"
  },
  {
   "slug": "avon-by-the-sea-nj",
   "name": "Avon-by-the-Sea",
   "county": "Monmouth County",
   "type": "borough",
   "population": "1801",
   "housing_units": "1254",
   "median_home_year": "1948",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "78.1",
   "pct_pre_1940": "44.2",
   "era_tier": "historic",
   "lead_risk": "high",
   "market_tier": "small"
  },
  {
   "slug": "barnegat-light-nj",
   "name": "Barnegat Light",
   "county": "Ocean County",
   "type": "borough",
   "population": "473",
   "housing_units": "1273",
   "median_home_year": "1978",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "50.5",
   "pct_pre_1940": "5.2",
   "era_tier": "postwar",
   "lead_risk": "moderate",
   "market_tier": "small"
  },
  {
   "slug": "barnegat-nj",
   "name": "Barnegat",
   "county": "Ocean County",
   "type": "township",
   "population": "24731",
   "housing_units": "10985",
   "median_home_year": "1996",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "26.4",
   "pct_pre_1940": "3.1",
   "era_tier": "modern",
   "lead_risk": "low",
   "market_tier": "mid"
  },
  {
   "slug": "bay-head-nj",
   "name": "Bay Head",
   "county": "Ocean County",
   "type": "borough",
   "population": "1201",
   "housing_units": "1049",
   "median_home_year": "1958",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "66.1",
   "pct_pre_1940": "37.4",
   "era_tier": "historic",
   "lead_risk": "moderate",
   "market_tier": "small"
  },
  {
   "slug": "bayonne-nj",
   "name": "Bayonne",
   "county": "Hudson County",
   "type": "city",
   "population": "70468",
   "housing_units": "30161",
   "median_home_year": "1955",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "77.4",
   "pct_pre_1940": "35.9",
   "era_tier": "historic",
   "lead_risk": "high",
   "market_tier": "major"
  },
  {
   "slug": "beach-haven-nj",
   "name": "Beach Haven",
   "county": "Ocean County",
   "type": "borough",
   "population": "1096",
   "housing_units": "2671",
   "median_home_year": "1978",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "49.6",
   "pct_pre_1940": "10.6",
   "era_tier": "postwar",
   "lead_risk": "moderate",
   "market_tier": "small"
  },
  {
   "slug": "beachwood-nj",
   "name": "Beachwood",
   "county": "Ocean County",
   "type": "borough",
   "population": "11002",
   "housing_units": "4180",
   "median_home_year": "1976",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "55.3",
   "pct_pre_1940": "5.7",
   "era_tier": "postwar",
   "lead_risk": "moderate",
   "market_tier": "small"
  },
  {
   "slug": "belleville-nj",
   "name": "Belleville",
   "county": "Essex County",
   "type": "township",
   "population": "37756",
   "housing_units": "15183",
   "median_home_year": "1949",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "84.1",
   "pct_pre_1940": "35.4",
   "era_tier": "historic",
   "lead_risk": "high",
   "market_tier": "mid"
  },
  {
   "slug": "belmar-nj",
   "name": "Belmar",
   "county": "Monmouth County",
   "type": "borough",
   "population": "5861",
   "housing_units": "3835",
   "median_home_year": "1959",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "74.9",
   "pct_pre_1940": "27.7",
   "era_tier": "prewar_mix",
   "lead_risk": "high",
   "market_tier": "small"
  },
  {
   "slug": "berkeley-heights-nj",
   "name": "Berkeley Heights",
   "county": "Union County",
   "type": "township",
   "population": "13121",
   "housing_units": "4843",
   "median_home_year": "1965",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "71.5",
   "pct_pre_1940": "4.6",
   "era_tier": "postwar",
   "lead_risk": "high",
   "market_tier": "small"
  },
  {
   "slug": "berkeley-nj",
   "name": "Berkeley",
   "county": "Ocean County",
   "type": "township",
   "population": "44222",
   "housing_units": "24871",
   "median_home_year": "1980",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "44.8",
   "pct_pre_1940": "3.0",
   "era_tier": "modern",
   "lead_risk": "moderate",
   "market_tier": "major"
  },
  {
   "slug": "bernards-nj",
   "name": "Bernards",
   "county": "Somerset County",
   "type": "township",
   "population": "27840",
   "housing_units": "10629",
   "median_home_year": "1987",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "26.9",
   "pct_pre_1940": "4.1",
   "era_tier": "modern",
   "lead_risk": "low",
   "market_tier": "mid"
  },
  {
   "slug": "bloomfield-nj",
   "name": "Bloomfield",
   "county": "Essex County",
   "type": "township",
   "population": "52974",
   "housing_units": "21713",
   "median_home_year": "1950",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "80.7",
   "pct_pre_1940": "38.0",
   "era_tier": "historic",
   "lead_risk": "high",
   "market_tier": "major"
  },
  {
   "slug": "bordentown-nj",
   "name": "Bordentown",
   "county": "Burlington County",
   "type": "township",
   "population": "11898",
   "housing_units": "4633",
   "median_home_year": "1982",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "46.2",
   "pct_pre_1940": "2.4",
   "era_tier": "modern",
   "lead_risk": "moderate",
   "market_tier": "small"
  },
  {
   "slug": "bound-brook-nj",
   "name": "Bound Brook",
   "county": "Somerset County",
   "type": "borough",
   "population": "12023",
   "housing_units": "4783",
   "median_home_year": "1955",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "73.3",
   "pct_pre_1940": "25.7",
   "era_tier": "prewar_mix",
   "lead_risk": "high",
   "market_tier": "small"
  },
  {
   "slug": "bradley-beach-nj",
   "name": "Bradley Beach",
   "county": "Monmouth County",
   "type": "borough",
   "population": "4264",
   "housing_units": "2836",
   "median_home_year": "1970",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "65.2",
   "pct_pre_1940": "29.3",
   "era_tier": "postwar",
   "lead_risk": "moderate",
   "market_tier": "small"
  },
  {
   "slug": "branchburg-nj",
   "name": "Branchburg",
   "county": "Somerset County",
   "type": "township",
   "population": "14948",
   "housing_units": "5838",
   "median_home_year": "1985",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "34.1",
   "pct_pre_1940": "6.5",
   "era_tier": "modern",
   "lead_risk": "low",
   "market_tier": "mid"
  },
  {
   "slug": "brick-nj",
   "name": "Brick",
   "county": "Ocean County",
   "type": "township",
   "population": "74807",
   "housing_units": "33331",
   "median_home_year": "1976",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "54.5",
   "pct_pre_1940": "2.9",
   "era_tier": "postwar",
   "lead_risk": "moderate",
   "market_tier": "major"
  },
  {
   "slug": "bridgewater-nj",
   "name": "Bridgewater",
   "county": "Somerset County",
   "type": "township",
   "population": "45943",
   "housing_units": "16870",
   "median_home_year": "1981",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "47.0",
   "pct_pre_1940": "4.8",
   "era_tier": "modern",
   "lead_risk": "moderate",
   "market_tier": "mid"
  },
  {
   "slug": "brielle-nj",
   "name": "Brielle",
   "county": "Monmouth County",
   "type": "borough",
   "population": "4960",
   "housing_units": "2093",
   "median_home_year": "1963",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "72.5",
   "pct_pre_1940": "15.9",
   "era_tier": "postwar",
   "lead_risk": "high",
   "market_tier": "small"
  },
  {
   "slug": "caldwell-nj",
   "name": "Caldwell",
   "county": "Essex County",
   "type": "borough",
   "population": "8898",
   "housing_units": "3874",
   "median_home_year": "1958",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "75.0",
   "pct_pre_1940": "28.8",
   "era_tier": "prewar_mix",
   "lead_risk": "high",
   "market_tier": "small"
  },
  {
   "slug": "carteret-nj",
   "name": "Carteret",
   "county": "Middlesex County",
   "type": "borough",
   "population": "25187",
   "housing_units": "8702",
   "median_home_year": "1960",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "70.3",
   "pct_pre_1940": "13.9",
   "era_tier": "postwar",
   "lead_risk": "high",
   "market_tier": "mid"
  },
  {
   "slug": "chesterfield-nj",
   "name": "Chesterfield",
   "county": "Burlington County",
   "type": "township",
   "population": "9213",
   "housing_units": "2573",
   "median_home_year": "2004",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "20.1",
   "pct_pre_1940": "6.6",
   "era_tier": "recent",
   "lead_risk": "low",
   "market_tier": "small"
  },
  {
   "slug": "clark-nj",
   "name": "Clark",
   "county": "Union County",
   "type": "township",
   "population": "15410",
   "housing_units": "6084",
   "median_home_year": "1962",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "79.8",
   "pct_pre_1940": "3.0",
   "era_tier": "postwar",
   "lead_risk": "high",
   "market_tier": "mid"
  },
  {
   "slug": "colts-neck-nj",
   "name": "Colts Neck",
   "county": "Monmouth County",
   "type": "township",
   "population": "9942",
   "housing_units": "3704",
   "median_home_year": "1980",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "45.9",
   "pct_pre_1940": "6.2",
   "era_tier": "modern",
   "lead_risk": "moderate",
   "market_tier": "small"
  },
  {
   "slug": "cranbury-nj",
   "name": "Cranbury",
   "county": "Middlesex County",
   "type": "township",
   "population": "4063",
   "housing_units": "1447",
   "median_home_year": "1987",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "37.4",
   "pct_pre_1940": "16.4",
   "era_tier": "modern",
   "lead_risk": "low",
   "market_tier": "small"
  },
  {
   "slug": "cranford-nj",
   "name": "Cranford",
   "county": "Union County",
   "type": "township",
   "population": "23841",
   "housing_units": "9619",
   "median_home_year": "1951",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "85.4",
   "pct_pre_1940": "30.8",
   "era_tier": "prewar_mix",
   "lead_risk": "high",
   "market_tier": "mid"
  },
  {
   "slug": "deal-nj",
   "name": "Deal",
   "county": "Monmouth County",
   "type": "borough",
   "population": "632",
   "housing_units": "951",
   "median_home_year": "1938",
   "median_year_is_bottom_coded": "yes",
   "pct_pre_1978": "81.1",
   "pct_pre_1940": "51.3",
   "era_tier": "historic",
   "lead_risk": "high",
   "market_tier": "small"
  },
  {
   "slug": "dunellen-nj",
   "name": "Dunellen",
   "county": "Middlesex County",
   "type": "borough",
   "population": "7711",
   "housing_units": "2725",
   "median_home_year": "1952",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "83.3",
   "pct_pre_1940": "40.3",
   "era_tier": "historic",
   "lead_risk": "high",
   "market_tier": "small"
  },
  {
   "slug": "eagleswood-nj",
   "name": "Eagleswood",
   "county": "Ocean County",
   "type": "township",
   "population": "1645",
   "housing_units": "814",
   "median_home_year": "1973",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "55.8",
   "pct_pre_1940": "22.6",
   "era_tier": "postwar",
   "lead_risk": "moderate",
   "market_tier": "small"
  },
  {
   "slug": "east-brunswick-nj",
   "name": "East Brunswick",
   "county": "Middlesex County",
   "type": "township",
   "population": "49411",
   "housing_units": "17524",
   "median_home_year": "1974",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "55.0",
   "pct_pre_1940": "4.5",
   "era_tier": "postwar",
   "lead_risk": "moderate",
   "market_tier": "mid"
  },
  {
   "slug": "east-newark-nj",
   "name": "East Newark",
   "county": "Hudson County",
   "type": "borough",
   "population": "2529",
   "housing_units": "860",
   "median_home_year": "1949",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "77.0",
   "pct_pre_1940": "43.4",
   "era_tier": "historic",
   "lead_risk": "high",
   "market_tier": "small"
  },
  {
   "slug": "east-orange-nj",
   "name": "East Orange",
   "county": "Essex County",
   "type": "city",
   "population": "69183",
   "housing_units": "29949",
   "median_home_year": "1957",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "74.3",
   "pct_pre_1940": "29.7",
   "era_tier": "prewar_mix",
   "lead_risk": "high",
   "market_tier": "major"
  },
  {
   "slug": "east-windsor-nj",
   "name": "East Windsor",
   "county": "Mercer County",
   "type": "township",
   "population": "29837",
   "housing_units": "12232",
   "median_home_year": "1976",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "54.5",
   "pct_pre_1940": "3.2",
   "era_tier": "postwar",
   "lead_risk": "moderate",
   "market_tier": "mid"
  },
  {
   "slug": "eatontown-nj",
   "name": "Eatontown",
   "county": "Monmouth County",
   "type": "borough",
   "population": "13537",
   "housing_units": "6217",
   "median_home_year": "1972",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "60.0",
   "pct_pre_1940": "3.6",
   "era_tier": "postwar",
   "lead_risk": "moderate",
   "market_tier": "mid"
  },
  {
   "slug": "edison-nj",
   "name": "Edison",
   "county": "Middlesex County",
   "type": "township",
   "population": "107027",
   "housing_units": "38057",
   "median_home_year": "1974",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "54.5",
   "pct_pre_1940": "6.6",
   "era_tier": "postwar",
   "lead_risk": "moderate",
   "market_tier": "major"
  },
  {
   "slug": "elizabeth-nj",
   "name": "Elizabeth",
   "county": "Union County",
   "type": "city",
   "population": "135887",
   "housing_units": "48940",
   "median_home_year": "1955",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "73.4",
   "pct_pre_1940": "27.5",
   "era_tier": "prewar_mix",
   "lead_risk": "high",
   "market_tier": "major"
  },
  {
   "slug": "englishtown-nj",
   "name": "Englishtown",
   "county": "Monmouth County",
   "type": "borough",
   "population": "2075",
   "housing_units": "802",
   "median_home_year": "1992",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "29.0",
   "pct_pre_1940": "15.7",
   "era_tier": "modern",
   "lead_risk": "low",
   "market_tier": "small"
  },
  {
   "slug": "ewing-nj",
   "name": "Ewing",
   "county": "Mercer County",
   "type": "township",
   "population": "35708",
   "housing_units": "14804",
   "median_home_year": "1963",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "70.6",
   "pct_pre_1940": "12.8",
   "era_tier": "postwar",
   "lead_risk": "high",
   "market_tier": "mid"
  },
  {
   "slug": "fair-haven-nj",
   "name": "Fair Haven",
   "county": "Monmouth County",
   "type": "borough",
   "population": "6182",
   "housing_units": "2082",
   "median_home_year": "1956",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "73.7",
   "pct_pre_1940": "20.1",
   "era_tier": "prewar_mix",
   "lead_risk": "high",
   "market_tier": "small"
  },
  {
   "slug": "fanwood-nj",
   "name": "Fanwood",
   "county": "Union County",
   "type": "borough",
   "population": "7714",
   "housing_units": "2783",
   "median_home_year": "1954",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "82.4",
   "pct_pre_1940": "26.5",
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   "slug": "farmingdale-nj",
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   "median_home_year": "1972",
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   "slug": "florence-nj",
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   "slug": "franklin-township-nj",
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   "population": "68367",
   "housing_units": "26858",
   "median_home_year": "1986",
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   "pct_pre_1940": "3.1",
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   "slug": "freehold-borough-nj",
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   "population": "12504",
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   "pct_pre_1940": "28.1",
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   "slug": "freehold-nj",
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   "slug": "freehold-township-nj",
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   "median_home_year": "1983",
   "median_year_is_bottom_coded": "",
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   "slug": "garwood-nj",
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   "county": "Union County",
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   "median_year_is_bottom_coded": "",
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   "slug": "guttenberg-nj",
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   "population": "11638",
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   "median_home_year": "1976",
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   "slug": "hamilton-nj",
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   "population": "91802",
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   "median_home_year": "1963",
   "median_year_is_bottom_coded": "",
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   "slug": "harrison-nj",
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   "median_home_year": "1984",
   "median_year_is_bottom_coded": "",
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   "slug": "harvey-cedars-nj",
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   "median_home_year": "1983",
   "median_year_is_bottom_coded": "",
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   "slug": "hazlet-nj",
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   "population": "20353",
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   "median_home_year": "1965",
   "median_year_is_bottom_coded": "",
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   "slug": "helmetta-nj",
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   "population": "2317",
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   "median_home_year": "1984",
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   "slug": "highland-park-nj",
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   "county": "Middlesex County",
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   "population": "14981",
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   "median_home_year": "1961",
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   "slug": "highlands-nj",
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   "population": "4575",
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   "median_home_year": "1975",
   "median_year_is_bottom_coded": "",
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   "slug": "hightstown-nj",
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   "median_year_is_bottom_coded": "",
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   "slug": "hillsborough-nj",
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   "median_home_year": "1985",
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   "slug": "hillside-nj",
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   "median_year_is_bottom_coded": "",
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   "slug": "hoboken-nj",
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   "population": "58340",
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   "median_home_year": "1975",
   "median_year_is_bottom_coded": "",
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   "slug": "holmdel-nj",
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   "population": "17401",
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   "median_home_year": "1987",
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   "slug": "hopewell-nj",
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   "median_home_year": "1938",
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   "slug": "howell-nj",
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   "population": "53661",
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   "median_home_year": "1984",
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  {
   "slug": "interlaken-nj",
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   "population": "821",
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   "median_home_year": "1946",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "irvington-nj",
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   "population": "60334",
   "housing_units": "24176",
   "median_home_year": "1959",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "island-heights-nj",
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   "population": "1691",
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   "median_home_year": "1954",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "jackson-nj",
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   "population": "59352",
   "housing_units": "22061",
   "median_home_year": "1990",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "jamesburg-nj",
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   "population": "5763",
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   "median_home_year": "1969",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "18.6",
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  {
   "slug": "jersey-city-nj",
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   "county": "Hudson County",
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   "population": "289691",
   "housing_units": "132636",
   "median_home_year": "1970",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "keansburg-nj",
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   "population": "9729",
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   "median_home_year": "1961",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "kearny-nj",
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   "population": "40570",
   "housing_units": "15340",
   "median_home_year": "1952",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "kenilworth-nj",
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   "population": "8339",
   "housing_units": "3058",
   "median_home_year": "1955",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "9.8",
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  {
   "slug": "keyport-nj",
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   "population": "7159",
   "housing_units": "3552",
   "median_home_year": "1961",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "lacey-nj",
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   "county": "Ocean County",
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   "population": "29164",
   "housing_units": "12691",
   "median_home_year": "1981",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "1.5",
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  {
   "slug": "lake-como-nj",
   "name": "Lake Como",
   "county": "Monmouth County",
   "type": "borough",
   "population": "1660",
   "housing_units": "1146",
   "median_home_year": "1960",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "22.7",
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  {
   "slug": "lakehurst-nj",
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   "county": "Ocean County",
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   "population": "2666",
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   "median_home_year": "1965",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "lakewood-nj",
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   "population": "136655",
   "housing_units": "33477",
   "median_home_year": "1993",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "lavallette-nj",
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   "population": "1836",
   "housing_units": "2980",
   "median_home_year": "1967",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "lawrence-nj",
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   "population": "32335",
   "housing_units": "12618",
   "median_home_year": "1980",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "linden-nj",
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   "population": "43614",
   "housing_units": "16142",
   "median_home_year": "1957",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "little-egg-harbor-nj",
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   "population": "21092",
   "housing_units": "10896",
   "median_home_year": "1987",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "little-silver-nj",
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   "population": "6096",
   "housing_units": "2352",
   "median_home_year": "1960",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "livingston-nj",
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   "population": "31128",
   "housing_units": "10684",
   "median_home_year": "1961",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "loch-arbour-nj",
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   "population": "199",
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   "median_home_year": "1938",
   "median_year_is_bottom_coded": "yes",
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   "lead_risk": "high",
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  {
   "slug": "long-beach-nj",
   "name": "Long Beach",
   "county": "Ocean County",
   "type": "township",
   "population": "3130",
   "housing_units": "8415",
   "median_home_year": "1978",
   "median_year_is_bottom_coded": "",
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   "market_tier": "mid"
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  {
   "slug": "long-branch-nj",
   "name": "Long Branch",
   "county": "Monmouth County",
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   "population": "32184",
   "housing_units": "15135",
   "median_home_year": "1969",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "24.1",
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  {
   "slug": "manalapan-nj",
   "name": "Manalapan",
   "county": "Monmouth County",
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   "population": "40666",
   "housing_units": "15154",
   "median_home_year": "1984",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "3.7",
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  },
  {
   "slug": "manasquan-nj",
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   "county": "Monmouth County",
   "type": "borough",
   "population": "5915",
   "housing_units": "3372",
   "median_home_year": "1960",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "65.1",
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  },
  {
   "slug": "manchester-nj",
   "name": "Manchester",
   "county": "Ocean County",
   "type": "township",
   "population": "45527",
   "housing_units": "26438",
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   "slug": "mansfield-nj",
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   "population": "8913",
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   "median_home_year": "1994",
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   "slug": "mantoloking-nj",
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   "slug": "manville-nj",
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   "slug": "maplewood-nj",
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   "median_home_year": "1938",
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   "slug": "marlboro-nj",
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   "median_home_year": "1987",
   "median_year_is_bottom_coded": "",
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   "slug": "matawan-nj",
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   "median_year_is_bottom_coded": "",
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   "slug": "metuchen-nj",
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   "median_home_year": "1962",
   "median_year_is_bottom_coded": "",
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   "median_home_year": "1964",
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   "slug": "middletown-nj",
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   "median_home_year": "1970",
   "median_year_is_bottom_coded": "",
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   "slug": "millburn-nj",
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   "median_home_year": "1953",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "34.3",
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   "slug": "millstone-nj",
   "name": "Millstone",
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   "median_home_year": "1992",
   "median_year_is_bottom_coded": "",
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   "slug": "milltown-nj",
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   "population": "6994",
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   "median_home_year": "1962",
   "median_year_is_bottom_coded": "",
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   "slug": "monmouth-beach-nj",
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   "population": "3201",
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   "median_home_year": "1976",
   "median_year_is_bottom_coded": "",
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   "slug": "monroe-township-nj",
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   "median_home_year": "1994",
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   "median_home_year": "1938",
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   "slug": "montgomery-nj",
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   "median_home_year": "1993",
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   "slug": "mountainside-nj",
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   "slug": "neptune-city-nj",
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   "median_home_year": "1957",
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   "slug": "new-brunswick-nj",
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   "median_home_year": "1967",
   "median_year_is_bottom_coded": "",
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   "median_home_year": "1963",
   "median_year_is_bottom_coded": "",
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   "median_home_year": "1966",
   "median_year_is_bottom_coded": "",
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   "slug": "north-bergen-nj",
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   "population": "61202",
   "housing_units": "25024",
   "median_home_year": "1961",
   "median_year_is_bottom_coded": "",
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   "slug": "north-brunswick-nj",
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   "median_home_year": "1982",
   "median_year_is_bottom_coded": "",
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   "slug": "north-hanover-nj",
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   "population": "7977",
   "housing_units": "3031",
   "median_home_year": "1995",
   "median_year_is_bottom_coded": "",
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   "slug": "nutley-nj",
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   "median_home_year": "1952",
   "median_year_is_bottom_coded": "",
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   "slug": "ocean-gate-nj",
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   "population": "1768",
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   "median_home_year": "1956",
   "median_year_is_bottom_coded": "",
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   "slug": "ocean-township-nj",
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   "population": "27792",
   "housing_units": "11828",
   "median_home_year": "1972",
   "median_year_is_bottom_coded": "",
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   "slug": "oceanport-nj",
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   "population": "6130",
   "housing_units": "2666",
   "median_home_year": "1976",
   "median_year_is_bottom_coded": "",
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   "slug": "old-bridge-nj",
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   "population": "67392",
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   "median_home_year": "1972",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "4.5",
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  {
   "slug": "orange-nj",
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   "population": "33973",
   "housing_units": "13456",
   "median_home_year": "1958",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "pemberton-nj",
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   "population": "26897",
   "housing_units": "10924",
   "median_home_year": "1973",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "perth-amboy-nj",
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   "population": "55278",
   "housing_units": "19684",
   "median_home_year": "1957",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "31.8",
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  {
   "slug": "pine-beach-nj",
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   "population": "2378",
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   "median_home_year": "1958",
   "median_year_is_bottom_coded": "",
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   "slug": "piscataway-nj",
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   "population": "60632",
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   "median_home_year": "1974",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "5.5",
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   "slug": "plainfield-nj",
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   "population": "54515",
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   "median_home_year": "1950",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "39.7",
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  {
   "slug": "plainsboro-nj",
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   "population": "23954",
   "housing_units": "10710",
   "median_home_year": "1986",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "1.4",
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   "slug": "plumsted-nj",
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   "population": "8397",
   "housing_units": "3503",
   "median_home_year": "1988",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "point-pleasant-beach-nj",
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   "type": "borough",
   "population": "4826",
   "housing_units": "2856",
   "median_home_year": "1960",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "18.2",
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  {
   "slug": "point-pleasant-nj",
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   "population": "19158",
   "housing_units": "8522",
   "median_home_year": "1968",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "princeton-nj",
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   "population": "30451",
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   "median_home_year": "1965",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "24.4",
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  {
   "slug": "rahway-nj",
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   "population": "29748",
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   "median_home_year": "1961",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "raritan-nj",
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   "population": "8192",
   "housing_units": "3257",
   "median_home_year": "1965",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "red-bank-nj",
   "name": "Red Bank",
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   "population": "12864",
   "housing_units": "6184",
   "median_home_year": "1955",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "robbinsville-nj",
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   "population": "15432",
   "housing_units": "6084",
   "median_home_year": "1992",
   "median_year_is_bottom_coded": "",
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  {
   "slug": "roosevelt-nj",
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   "population": "1059",
   "housing_units": "376",
   "median_home_year": "1938",
   "median_year_is_bottom_coded": "yes",
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  {
   "slug": "roselle-nj",
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   "population": "22455",
   "housing_units": "8430",
   "median_home_year": "1955",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "29.3",
   "era_tier": "prewar_mix",
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   "market_tier": "mid"
  },
  {
   "slug": "roselle-park-nj",
   "name": "Roselle Park",
   "county": "Union County",
   "type": "borough",
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   "housing_units": "5373",
   "median_home_year": "1952",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "28.9",
   "era_tier": "prewar_mix",
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   "market_tier": "mid"
  },
  {
   "slug": "rumson-nj",
   "name": "Rumson",
   "county": "Monmouth County",
   "type": "borough",
   "population": "7265",
   "housing_units": "2459",
   "median_home_year": "1966",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "60.5",
   "pct_pre_1940": "23.1",
   "era_tier": "postwar",
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  },
  {
   "slug": "sayreville-nj",
   "name": "Sayreville",
   "county": "Middlesex County",
   "type": "borough",
   "population": "45237",
   "housing_units": "17435",
   "median_home_year": "1973",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "7.0",
   "era_tier": "postwar",
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  },
  {
   "slug": "scotch-plains-nj",
   "name": "Scotch Plains",
   "county": "Union County",
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   "population": "24667",
   "housing_units": "9037",
   "median_home_year": "1959",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "78.7",
   "pct_pre_1940": "13.0",
   "era_tier": "prewar_mix",
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   "market_tier": "mid"
  },
  {
   "slug": "sea-bright-nj",
   "name": "Sea Bright",
   "county": "Monmouth County",
   "type": "borough",
   "population": "1657",
   "housing_units": "1135",
   "median_home_year": "1977",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "12.3",
   "era_tier": "postwar",
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   "market_tier": "small"
  },
  {
   "slug": "sea-girt-nj",
   "name": "Sea Girt",
   "county": "Monmouth County",
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   "population": "1978",
   "housing_units": "1188",
   "median_home_year": "1962",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "63.0",
   "pct_pre_1940": "14.1",
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  {
   "slug": "seaside-heights-nj",
   "name": "Seaside Heights",
   "county": "Ocean County",
   "type": "borough",
   "population": "1992",
   "housing_units": "2807",
   "median_home_year": "1956",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "15.9",
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   "lead_risk": "high",
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  },
  {
   "slug": "seaside-park-nj",
   "name": "Seaside Park",
   "county": "Ocean County",
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   "population": "1804",
   "housing_units": "2730",
   "median_home_year": "1959",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "64.4",
   "pct_pre_1940": "28.4",
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  },
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   "slug": "secaucus-nj",
   "name": "Secaucus",
   "county": "Hudson County",
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   "population": "21437",
   "housing_units": "9109",
   "median_home_year": "1980",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "13.2",
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  },
  {
   "slug": "ship-bottom-nj",
   "name": "Ship Bottom",
   "county": "Ocean County",
   "type": "borough",
   "population": "1009",
   "housing_units": "2114",
   "median_home_year": "1969",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "57.8",
   "pct_pre_1940": "12.5",
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  },
  {
   "slug": "shrewsbury-borough-nj",
   "name": "Shrewsbury",
   "county": "Monmouth County",
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   "population": "4162",
   "housing_units": "1526",
   "median_home_year": "1960",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "13.5",
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  },
  {
   "slug": "shrewsbury-township-nj",
   "name": "Shrewsbury",
   "county": "Monmouth County",
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   "population": "1207",
   "housing_units": "525",
   "median_home_year": "1953",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "12.0",
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   "slug": "somerville-nj",
   "name": "Somerville",
   "county": "Somerset County",
   "type": "borough",
   "population": "12958",
   "housing_units": "5726",
   "median_home_year": "1958",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "25.1",
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   "lead_risk": "high",
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  },
  {
   "slug": "south-amboy-nj",
   "name": "South Amboy",
   "county": "Middlesex County",
   "type": "city",
   "population": "9714",
   "housing_units": "4361",
   "median_home_year": "1958",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "62.3",
   "pct_pre_1940": "38.7",
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   "lead_risk": "moderate",
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  },
  {
   "slug": "south-bound-brook-nj",
   "name": "South Bound Brook",
   "county": "Somerset County",
   "type": "borough",
   "population": "4833",
   "housing_units": "1870",
   "median_home_year": "1966",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "70.8",
   "pct_pre_1940": "13.9",
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  },
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   "slug": "south-brunswick-nj",
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   "county": "Middlesex County",
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   "population": "46686",
   "housing_units": "17134",
   "median_home_year": "1987",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "2.5",
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  },
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   "slug": "south-orange-nj",
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   "county": "Essex County",
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   "population": "18299",
   "housing_units": "6110",
   "median_home_year": "1944",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "46.8",
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   "market_tier": "mid"
  },
  {
   "slug": "south-plainfield-nj",
   "name": "South Plainfield",
   "county": "Middlesex County",
   "type": "borough",
   "population": "24231",
   "housing_units": "8443",
   "median_home_year": "1962",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "7.2",
   "era_tier": "postwar",
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   "market_tier": "mid"
  },
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   "slug": "south-river-nj",
   "name": "South River",
   "county": "Middlesex County",
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   "population": "16007",
   "housing_units": "5789",
   "median_home_year": "1958",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "79.2",
   "pct_pre_1940": "23.7",
   "era_tier": "prewar_mix",
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  },
  {
   "slug": "south-toms-river-nj",
   "name": "South Toms River",
   "county": "Ocean County",
   "type": "borough",
   "population": "3701",
   "housing_units": "1112",
   "median_home_year": "1966",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "82.3",
   "pct_pre_1940": "3.7",
   "era_tier": "postwar",
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  },
  {
   "slug": "spotswood-nj",
   "name": "Spotswood",
   "county": "Middlesex County",
   "type": "borough",
   "population": "8112",
   "housing_units": "3297",
   "median_home_year": "1967",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "4.0",
   "era_tier": "postwar",
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  },
  {
   "slug": "spring-lake-heights-nj",
   "name": "Spring Lake Heights",
   "county": "Monmouth County",
   "type": "borough",
   "population": "4866",
   "housing_units": "2743",
   "median_home_year": "1973",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "5.2",
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  },
  {
   "slug": "spring-lake-nj",
   "name": "Spring Lake",
   "county": "Monmouth County",
   "type": "borough",
   "population": "2782",
   "housing_units": "1991",
   "median_home_year": "1958",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "57.6",
   "pct_pre_1940": "33.9",
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  {
   "slug": "springfield-nj",
   "name": "Springfield",
   "county": "Union County",
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   "population": "16984",
   "housing_units": "6844",
   "median_home_year": "1962",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "69.6",
   "pct_pre_1940": "8.9",
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  {
   "slug": "stafford-nj",
   "name": "Stafford",
   "county": "Ocean County",
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   "population": "29375",
   "housing_units": "14988",
   "median_home_year": "1991",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "2.5",
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  {
   "slug": "summit-nj",
   "name": "Summit",
   "county": "Union County",
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   "population": "22512",
   "housing_units": "8603",
   "median_home_year": "1953",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "33.4",
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  {
   "slug": "surf-city-nj",
   "name": "Surf City",
   "county": "Ocean County",
   "type": "city",
   "population": "1225",
   "housing_units": "2555",
   "median_home_year": "1969",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "5.8",
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  },
  {
   "slug": "tinton-falls-nj",
   "name": "Tinton Falls",
   "county": "Monmouth County",
   "type": "borough",
   "population": "19252",
   "housing_units": "9095",
   "median_home_year": "1992",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "2.7",
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  {
   "slug": "toms-river-nj",
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   "county": "Ocean County",
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   "population": "97034",
   "housing_units": "45845",
   "median_home_year": "1978",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "2.7",
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  {
   "slug": "trenton-nj",
   "name": "Trenton",
   "county": "Mercer County",
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   "population": "89966",
   "housing_units": "35871",
   "median_home_year": "1950",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "81.5",
   "pct_pre_1940": "40.8",
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  {
   "slug": "tuckerton-nj",
   "name": "Tuckerton",
   "county": "Ocean County",
   "type": "borough",
   "population": "3616",
   "housing_units": "1870",
   "median_home_year": "1976",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "52.6",
   "pct_pre_1940": "14.0",
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   "lead_risk": "moderate",
   "market_tier": "small"
  },
  {
   "slug": "union-beach-nj",
   "name": "Union Beach",
   "county": "Monmouth County",
   "type": "borough",
   "population": "5722",
   "housing_units": "2253",
   "median_home_year": "1964",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "63.6",
   "pct_pre_1940": "9.5",
   "era_tier": "postwar",
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  {
   "slug": "union-city-nj",
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   "county": "Hudson County",
   "type": "city",
   "population": "66375",
   "housing_units": "27442",
   "median_home_year": "1958",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "70.2",
   "pct_pre_1940": "33.2",
   "era_tier": "prewar_mix",
   "lead_risk": "high",
   "market_tier": "major"
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  {
   "slug": "union-nj",
   "name": "Union",
   "county": "Union County",
   "type": "township",
   "population": "60119",
   "housing_units": "21932",
   "median_home_year": "1955",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "20.9",
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   "market_tier": "major"
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  {
   "slug": "upper-freehold-nj",
   "name": "Upper Freehold",
   "county": "Monmouth County",
   "type": "township",
   "population": "7237",
   "housing_units": "2728",
   "median_home_year": "2000",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "20.2",
   "pct_pre_1940": "11.7",
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  {
   "slug": "wall-nj",
   "name": "Wall",
   "county": "Monmouth County",
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   "population": "26477",
   "housing_units": "10689",
   "median_home_year": "1975",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "54.5",
   "pct_pre_1940": "10.4",
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   "market_tier": "mid"
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  {
   "slug": "warren-nj",
   "name": "Warren",
   "county": "Somerset County",
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   "population": "15962",
   "housing_units": "5751",
   "median_home_year": "1985",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "39.5",
   "pct_pre_1940": "5.5",
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  },
  {
   "slug": "weehawken-nj",
   "name": "Weehawken",
   "county": "Hudson County",
   "type": "township",
   "population": "16946",
   "housing_units": "9399",
   "median_home_year": "1958",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "41.8",
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   "lead_risk": "moderate",
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  },
  {
   "slug": "west-long-branch-nj",
   "name": "West Long Branch",
   "county": "Monmouth County",
   "type": "borough",
   "population": "8576",
   "housing_units": "3030",
   "median_home_year": "1964",
   "median_year_is_bottom_coded": "",
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   "pct_pre_1940": "15.0",
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   "lead_risk": "high",
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  },
  {
   "slug": "west-new-york-nj",
   "name": "West New York",
   "county": "Hudson County",
   "type": "town",
   "population": "51683",
   "housing_units": "22165",
   "median_home_year": "1963",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "67.1",
   "pct_pre_1940": "24.1",
   "era_tier": "postwar",
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   "market_tier": "major"
  },
  {
   "slug": "west-orange-nj",
   "name": "West Orange",
   "county": "Essex County",
   "type": "township",
   "population": "48276",
   "housing_units": "18277",
   "median_home_year": "1956",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "77.2",
   "pct_pre_1940": "25.3",
   "era_tier": "prewar_mix",
   "lead_risk": "high",
   "market_tier": "mid"
  },
  {
   "slug": "west-windsor-nj",
   "name": "West Windsor",
   "county": "Mercer County",
   "type": "township",
   "population": "29791",
   "housing_units": "11563",
   "median_home_year": "1990",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "21.0",
   "pct_pre_1940": "3.4",
   "era_tier": "modern",
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   "market_tier": "mid"
  },
  {
   "slug": "westfield-nj",
   "name": "Westfield",
   "county": "Union County",
   "type": "town",
   "population": "30760",
   "housing_units": "11093",
   "median_home_year": "1954",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "77.7",
   "pct_pre_1940": "36.0",
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   "lead_risk": "high",
   "market_tier": "mid"
  },
  {
   "slug": "woodbridge-nj",
   "name": "Woodbridge",
   "county": "Middlesex County",
   "type": "township",
   "population": "103428",
   "housing_units": "37130",
   "median_home_year": "1962",
   "median_year_is_bottom_coded": "",
   "pct_pre_1978": "68.1",
   "pct_pre_1940": "11.1",
   "era_tier": "postwar",
   "lead_risk": "moderate",
   "market_tier": "major"
  }
 ]
}