{
  "zip": "60540",
  "type": "standard",
  "type_source": "inferred",
  "city": "Naperville",
  "other_place_names": [
    "Woodridge",
    "Lisle"
  ],
  "state": "IL",
  "state_name": "Illinois",
  "county": {
    "fips": "17043",
    "name": "DuPage County",
    "short_name": "DuPage"
  },
  "counties": [
    {
      "county_fips": "17043",
      "name": "DuPage County",
      "short_name": "DuPage",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 41.764585,
    "lng": -88.144165,
    "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": 42252,
    "households": 15161,
    "housing_units": 16198,
    "median_age": 41.5,
    "median_household_income": 157102,
    "median_home_value": 550600,
    "median_rent": 1980,
    "pct_bachelors_plus": 72.6,
    "mean_commute_min": 28.4,
    "density_per_sqmi": 3196.1
  },
  "business": {
    "establishments": 1729,
    "employees": 27132,
    "annual_payroll_thousands": 1563155
  },
  "tax": {
    "irs_returns": 20390,
    "irs_agi_thousands": 4016330
  },
  "area": {
    "land_sqmi": 13.22,
    "water_sqmi": 0.21
  },
  "nearest_zips": [
    {
      "zip": "60567",
      "miles": 1.5,
      "city": "Naperville",
      "state": "IL"
    },
    {
      "zip": "60565",
      "miles": 2.6,
      "city": "Naperville",
      "state": "IL"
    },
    {
      "zip": "60532",
      "miles": 3.5,
      "city": "Lisle",
      "state": "IL"
    },
    {
      "zip": "60563",
      "miles": 3.6,
      "city": "Naperville",
      "state": "IL"
    },
    {
      "zip": "60555",
      "miles": 4.7,
      "city": "Warrenville",
      "state": "IL"
    },
    {
      "zip": "60564",
      "miles": 4.8,
      "city": "Naperville",
      "state": "IL"
    },
    {
      "zip": "60569",
      "miles": 5,
      "city": "Aurora",
      "state": "IL"
    },
    {
      "zip": "60519",
      "miles": 5.1,
      "city": "Eola",
      "state": "IL"
    },
    {
      "zip": "60504",
      "miles": 5.2,
      "city": "Aurora",
      "state": "IL"
    },
    {
      "zip": "60189",
      "miles": 5.4,
      "city": "Wheaton",
      "state": "IL"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/60540",
    "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."
  }
}