{
  "zip": "02478",
  "type": "standard",
  "type_source": "inferred",
  "city": "Belmont",
  "other_place_names": [],
  "state": "MA",
  "state_name": "Massachusetts",
  "county": {
    "fips": "25017",
    "name": "Middlesex County",
    "short_name": "Middlesex"
  },
  "counties": [
    {
      "county_fips": "25017",
      "name": "Middlesex County",
      "short_name": "Middlesex",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.395317,
    "lng": -71.180284,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "14460",
    "name": "Boston-Cambridge-Newton, MA-NH",
    "type": "metro",
    "csa_code": "148",
    "csa_name": "Boston-Worcester-Providence, MA-RI-NH"
  },
  "demographics": {
    "population": 27175,
    "households": 10412,
    "housing_units": 10881,
    "median_age": 42.9,
    "median_household_income": 183137,
    "median_home_value": 1159000,
    "median_rent": 2527,
    "pct_bachelors_plus": 80.9,
    "mean_commute_min": 29.3,
    "density_per_sqmi": 5850.4
  },
  "business": {
    "establishments": 623,
    "employees": 7481,
    "annual_payroll_thousands": 506831
  },
  "tax": {
    "irs_returns": 12920,
    "irs_agi_thousands": 3313910
  },
  "area": {
    "land_sqmi": 4.645,
    "water_sqmi": 0.071
  },
  "nearest_zips": [
    {
      "zip": "02479",
      "miles": 0.5,
      "city": "Waverley",
      "state": "MA"
    },
    {
      "zip": "02476",
      "miles": 1.5,
      "city": "Arlington",
      "state": "MA"
    },
    {
      "zip": "02471",
      "miles": 1.7,
      "city": "Watertown",
      "state": "MA"
    },
    {
      "zip": "02477",
      "miles": 1.7,
      "city": "Watertown",
      "state": "MA"
    },
    {
      "zip": "02475",
      "miles": 1.7,
      "city": "Arlington Heights",
      "state": "MA"
    },
    {
      "zip": "02472",
      "miles": 1.8,
      "city": "Watertown",
      "state": "MA"
    },
    {
      "zip": "02452",
      "miles": 2,
      "city": "Waltham",
      "state": "MA"
    },
    {
      "zip": "02474",
      "miles": 2.2,
      "city": "Arlington",
      "state": "MA"
    },
    {
      "zip": "02140",
      "miles": 2.4,
      "city": "Cambridge",
      "state": "MA"
    },
    {
      "zip": "02495",
      "miles": 2.5,
      "city": "Nonantum",
      "state": "MA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/02478",
    "sources_url": "https://zipcodes.pro/sources",
    "license": "Facts derived from US public-domain data (Census, IRS) and GeoNames (CC BY 4.0). Attribution appreciated: zipcodes.pro",
    "note": "A null value means the source did not publish that figure for this ZIP code. It does not mean zero."
  }
}