{
  "zip": "02129",
  "type": "standard",
  "type_source": "inferred",
  "city": "Charlestown",
  "other_place_names": [
    "Boston"
  ],
  "state": "MA",
  "state_name": "Massachusetts",
  "county": {
    "fips": "25025",
    "name": "Suffolk County",
    "short_name": "Suffolk"
  },
  "counties": [
    {
      "county_fips": "25025",
      "name": "Suffolk County",
      "short_name": "Suffolk",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.379657,
    "lng": -71.061487,
    "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": 20032,
    "households": 9606,
    "housing_units": 10107,
    "median_age": 35.6,
    "median_household_income": 157247,
    "median_home_value": 912000,
    "median_rent": 2259,
    "pct_bachelors_plus": 71.2,
    "mean_commute_min": 28.7,
    "density_per_sqmi": 14805.6
  },
  "business": {
    "establishments": 536,
    "employees": 13245,
    "annual_payroll_thousands": 1091521
  },
  "tax": {
    "irs_returns": 9750,
    "irs_agi_thousands": 1854045
  },
  "area": {
    "land_sqmi": 1.353,
    "water_sqmi": 0.486
  },
  "nearest_zips": [
    {
      "zip": "02113",
      "miles": 1,
      "city": "Boston",
      "state": "MA"
    },
    {
      "zip": "02109",
      "miles": 1,
      "city": "Boston",
      "state": "MA"
    },
    {
      "zip": "02222",
      "miles": 1.1,
      "city": "Boston",
      "state": "MA"
    },
    {
      "zip": "02114",
      "miles": 1.1,
      "city": "Boston",
      "state": "MA"
    },
    {
      "zip": "02141",
      "miles": 1.3,
      "city": "Cambridge",
      "state": "MA"
    },
    {
      "zip": "02203",
      "miles": 1.3,
      "city": "Boston",
      "state": "MA"
    },
    {
      "zip": "02112",
      "miles": 1.5,
      "city": "Boston",
      "state": "MA"
    },
    {
      "zip": "02196",
      "miles": 1.5,
      "city": "Boston",
      "state": "MA"
    },
    {
      "zip": "02201",
      "miles": 1.5,
      "city": "Boston",
      "state": "MA"
    },
    {
      "zip": "02211",
      "miles": 1.5,
      "city": "Boston",
      "state": "MA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/02129",
    "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."
  }
}