{
  "zip": "60004",
  "type": "standard",
  "type_source": "inferred",
  "city": "Arlington Heights",
  "other_place_names": [
    "Prospect Heights",
    "Wheeling",
    "Buffalo Grove",
    "Palatine"
  ],
  "state": "IL",
  "state_name": "Illinois",
  "county": {
    "fips": "17031",
    "name": "Cook County",
    "short_name": "Cook"
  },
  "counties": [
    {
      "county_fips": "17031",
      "name": "Cook County",
      "short_name": "Cook",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.11278,
    "lng": -87.979542,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "16980",
    "name": "Chicago-Naperville-Elgin, IL-IN",
    "type": "metro",
    "csa_code": "176",
    "csa_name": "Chicago-Naperville, IL-IN-WI"
  },
  "demographics": {
    "population": 51835,
    "households": 20236,
    "housing_units": 21129,
    "median_age": 41.8,
    "median_household_income": 128979,
    "median_home_value": 424200,
    "median_rent": 1753,
    "pct_bachelors_plus": 60.1,
    "mean_commute_min": 28.7,
    "density_per_sqmi": 4661.8
  },
  "business": {
    "establishments": 1617,
    "employees": 20130,
    "annual_payroll_thousands": 1209100
  },
  "tax": {
    "irs_returns": 26320,
    "irs_agi_thousands": 3581360
  },
  "area": {
    "land_sqmi": 11.119,
    "water_sqmi": 0.027
  },
  "nearest_zips": [
    {
      "zip": "60006",
      "miles": 1.7,
      "city": "Arlington Heights",
      "state": "IL"
    },
    {
      "zip": "60038",
      "miles": 2,
      "city": "Palatine",
      "state": "IL"
    },
    {
      "zip": "60055",
      "miles": 2,
      "city": "Palatine",
      "state": "IL"
    },
    {
      "zip": "60070",
      "miles": 2.7,
      "city": "Prospect Heights",
      "state": "IL"
    },
    {
      "zip": "60074",
      "miles": 2.7,
      "city": "Palatine",
      "state": "IL"
    },
    {
      "zip": "60078",
      "miles": 2.8,
      "city": "Palatine",
      "state": "IL"
    },
    {
      "zip": "60094",
      "miles": 2.8,
      "city": "Palatine",
      "state": "IL"
    },
    {
      "zip": "60095",
      "miles": 2.8,
      "city": "Palatine",
      "state": "IL"
    },
    {
      "zip": "60005",
      "miles": 3.4,
      "city": "Arlington Heights",
      "state": "IL"
    },
    {
      "zip": "60090",
      "miles": 3.6,
      "city": "Wheeling",
      "state": "IL"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/60004",
    "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."
  }
}