{
  "zip": "53066",
  "type": "standard",
  "type_source": "inferred",
  "city": "Oconomowoc",
  "other_place_names": [
    "Summit",
    "Okauchee Lake",
    "Oconomowoc Lake",
    "Lac La Belle",
    "Ashippun",
    "Dousman",
    "Delafield"
  ],
  "state": "WI",
  "state_name": "Wisconsin",
  "county": {
    "fips": "55133",
    "name": "Waukesha County",
    "short_name": "Waukesha"
  },
  "counties": [
    {
      "county_fips": "55133",
      "name": "Waukesha County",
      "short_name": "Waukesha",
      "weight": 0.6894,
      "basis": "land_area"
    },
    {
      "county_fips": "55055",
      "name": "Jefferson County",
      "short_name": "Jefferson",
      "weight": 0.17,
      "basis": "land_area"
    },
    {
      "county_fips": "55027",
      "name": "Dodge County",
      "short_name": "Dodge",
      "weight": 0.1383,
      "basis": "land_area"
    },
    {
      "county_fips": "55131",
      "name": "Washington County",
      "short_name": "Washington",
      "weight": 0.0023,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.113916,
    "lng": -88.489195,
    "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": 37558,
    "households": 15148,
    "housing_units": 16091,
    "median_age": 46.1,
    "median_household_income": 113114,
    "median_home_value": 427900,
    "median_rent": 1331,
    "pct_bachelors_plus": 48.2,
    "mean_commute_min": 24.5,
    "density_per_sqmi": 364
  },
  "business": {
    "establishments": 962,
    "employees": 15753,
    "annual_payroll_thousands": 930615
  },
  "tax": {
    "irs_returns": 19850,
    "irs_agi_thousands": 2775349
  },
  "area": {
    "land_sqmi": 103.172,
    "water_sqmi": 9.24
  },
  "nearest_zips": [
    {
      "zip": "53069",
      "miles": 2.8,
      "city": "Okauchee",
      "state": "WI"
    },
    {
      "zip": "53058",
      "miles": 3.9,
      "city": "Nashotah",
      "state": "WI"
    },
    {
      "zip": "53036",
      "miles": 6.3,
      "city": "Ixonia",
      "state": "WI"
    },
    {
      "zip": "53064",
      "miles": 6.6,
      "city": "North Lake",
      "state": "WI"
    },
    {
      "zip": "53018",
      "miles": 6.7,
      "city": "Delafield",
      "state": "WI"
    },
    {
      "zip": "53003",
      "miles": 7,
      "city": "Ashippun",
      "state": "WI"
    },
    {
      "zip": "53029",
      "miles": 7.8,
      "city": "Hartland",
      "state": "WI"
    },
    {
      "zip": "53178",
      "miles": 8,
      "city": "Sullivan",
      "state": "WI"
    },
    {
      "zip": "53056",
      "miles": 9.3,
      "city": "Merton",
      "state": "WI"
    },
    {
      "zip": "53183",
      "miles": 9.6,
      "city": "Wales",
      "state": "WI"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/53066",
    "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."
  }
}