{
  "zip": "53004",
  "type": "standard",
  "type_source": "inferred",
  "city": "Belgium",
  "other_place_names": [
    "Fredonia"
  ],
  "state": "WI",
  "state_name": "Wisconsin",
  "county": {
    "fips": "55089",
    "name": "Ozaukee County",
    "short_name": "Ozaukee"
  },
  "counties": [
    {
      "county_fips": "55089",
      "name": "Ozaukee County",
      "short_name": "Ozaukee",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.499517,
    "lng": -87.880511,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "33340",
    "name": "Milwaukee-Waukesha, WI",
    "type": "metro",
    "csa_code": "376",
    "csa_name": "Milwaukee-Racine-Waukesha, WI"
  },
  "demographics": {
    "population": 3475,
    "households": 1380,
    "housing_units": 1479,
    "median_age": 46.8,
    "median_household_income": 84821,
    "median_home_value": 256000,
    "median_rent": 982,
    "pct_bachelors_plus": 26.8,
    "mean_commute_min": 22.9,
    "density_per_sqmi": 103.5
  },
  "business": {
    "establishments": 74,
    "employees": 786,
    "annual_payroll_thousands": 36590
  },
  "tax": {
    "irs_returns": 1850,
    "irs_agi_thousands": 148736
  },
  "area": {
    "land_sqmi": 33.586,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "53074",
      "miles": 4.7,
      "city": "Port Washington",
      "state": "WI"
    },
    {
      "zip": "53013",
      "miles": 4.8,
      "city": "Cedar Grove",
      "state": "WI"
    },
    {
      "zip": "53021",
      "miles": 6.5,
      "city": "Fredonia",
      "state": "WI"
    },
    {
      "zip": "53075",
      "miles": 7.1,
      "city": "Random Lake",
      "state": "WI"
    },
    {
      "zip": "53080",
      "miles": 8.4,
      "city": "Saukville",
      "state": "WI"
    },
    {
      "zip": "53070",
      "miles": 9.1,
      "city": "Oostburg",
      "state": "WI"
    },
    {
      "zip": "53031",
      "miles": 9.9,
      "city": "Hingham",
      "state": "WI"
    },
    {
      "zip": "53060",
      "miles": 10.2,
      "city": "Newburg",
      "state": "WI"
    },
    {
      "zip": "53093",
      "miles": 10.8,
      "city": "Waldo",
      "state": "WI"
    },
    {
      "zip": "53001",
      "miles": 11.5,
      "city": "Adell",
      "state": "WI"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/53004",
    "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."
  }
}