{
  "zip": "01128",
  "type": "standard",
  "type_source": "inferred",
  "city": "Springfield",
  "other_place_names": [],
  "state": "MA",
  "state_name": "Massachusetts",
  "county": {
    "fips": "25013",
    "name": "Hampden County",
    "short_name": "Hampden"
  },
  "counties": [
    {
      "county_fips": "25013",
      "name": "Hampden County",
      "short_name": "Hampden",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.092296,
    "lng": -72.489135,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "44140",
    "name": "Springfield, MA",
    "type": "metro",
    "csa_code": "521",
    "csa_name": "Springfield-Amherst Town-Northampton, MA"
  },
  "demographics": {
    "population": 2896,
    "households": 1022,
    "housing_units": 1022,
    "median_age": 39.6,
    "median_household_income": 100313,
    "median_home_value": 272100,
    "median_rent": null,
    "pct_bachelors_plus": 40.3,
    "mean_commute_min": 23,
    "density_per_sqmi": 2611.4
  },
  "business": {
    "establishments": 40,
    "employees": 824,
    "annual_payroll_thousands": 26415
  },
  "tax": {
    "irs_returns": 1500,
    "irs_agi_thousands": 99296
  },
  "area": {
    "land_sqmi": 1.109,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "01129",
      "miles": 1.8,
      "city": "Springfield",
      "state": "MA"
    },
    {
      "zip": "01118",
      "miles": 1.9,
      "city": "Springfield",
      "state": "MA"
    },
    {
      "zip": "01028",
      "miles": 2.1,
      "city": "East Longmeadow",
      "state": "MA"
    },
    {
      "zip": "01119",
      "miles": 2.5,
      "city": "Springfield",
      "state": "MA"
    },
    {
      "zip": "01109",
      "miles": 3.6,
      "city": "Springfield",
      "state": "MA"
    },
    {
      "zip": "01108",
      "miles": 3.7,
      "city": "Springfield",
      "state": "MA"
    },
    {
      "zip": "01036",
      "miles": 3.9,
      "city": "Hampden",
      "state": "MA"
    },
    {
      "zip": "01151",
      "miles": 4.2,
      "city": "Indian Orchard",
      "state": "MA"
    },
    {
      "zip": "01105",
      "miles": 4.5,
      "city": "Springfield",
      "state": "MA"
    },
    {
      "zip": "01095",
      "miles": 4.7,
      "city": "Wilbraham",
      "state": "MA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/01128",
    "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."
  }
}