{
  "zip": "01040",
  "type": "standard",
  "type_source": "inferred",
  "city": "Holyoke",
  "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": 42.211658,
    "lng": -72.642448,
    "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": 37813,
    "households": 15618,
    "housing_units": 17057,
    "median_age": 40,
    "median_household_income": 53605,
    "median_home_value": 274100,
    "median_rent": 1021,
    "pct_bachelors_plus": 25.9,
    "mean_commute_min": 19.3,
    "density_per_sqmi": 1786.2
  },
  "business": {
    "establishments": 827,
    "employees": 16879,
    "annual_payroll_thousands": 929704
  },
  "tax": {
    "irs_returns": 16820,
    "irs_agi_thousands": 915970
  },
  "area": {
    "land_sqmi": 21.169,
    "water_sqmi": 1.632
  },
  "nearest_zips": [
    {
      "zip": "01041",
      "miles": 1.4,
      "city": "Holyoke",
      "state": "MA"
    },
    {
      "zip": "01014",
      "miles": 3.4,
      "city": "Chicopee",
      "state": "MA"
    },
    {
      "zip": "01021",
      "miles": 3.4,
      "city": "Chicopee",
      "state": "MA"
    },
    {
      "zip": "01090",
      "miles": 3.4,
      "city": "West Springfield",
      "state": "MA"
    },
    {
      "zip": "01102",
      "miles": 3.4,
      "city": "Springfield",
      "state": "MA"
    },
    {
      "zip": "01111",
      "miles": 3.4,
      "city": "Springfield",
      "state": "MA"
    },
    {
      "zip": "01116",
      "miles": 3.4,
      "city": "Longmeadow",
      "state": "MA"
    },
    {
      "zip": "01138",
      "miles": 3.4,
      "city": "Springfield",
      "state": "MA"
    },
    {
      "zip": "01139",
      "miles": 3.4,
      "city": "Springfield",
      "state": "MA"
    },
    {
      "zip": "01152",
      "miles": 3.4,
      "city": "Springfield",
      "state": "MA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/01040",
    "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."
  }
}