{
  "zip": "53038",
  "type": "standard",
  "type_source": "inferred",
  "city": "Johnson Creek",
  "other_place_names": [
    "Jefferson"
  ],
  "state": "WI",
  "state_name": "Wisconsin",
  "county": {
    "fips": "55055",
    "name": "Jefferson County",
    "short_name": "Jefferson"
  },
  "counties": [
    {
      "county_fips": "55055",
      "name": "Jefferson County",
      "short_name": "Jefferson",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.084577,
    "lng": -88.790993,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "48020",
    "name": "Watertown-Fort Atkinson, WI",
    "type": "micro",
    "csa_code": "376",
    "csa_name": "Milwaukee-Racine-Waukesha, WI"
  },
  "demographics": {
    "population": 4192,
    "households": 1616,
    "housing_units": 1643,
    "median_age": 37.8,
    "median_household_income": 96127,
    "median_home_value": 327400,
    "median_rent": 1232,
    "pct_bachelors_plus": 32.7,
    "mean_commute_min": 28.6,
    "density_per_sqmi": 135.6
  },
  "business": {
    "establishments": 152,
    "employees": 2786,
    "annual_payroll_thousands": 131311
  },
  "tax": {
    "irs_returns": 2160,
    "irs_agi_thousands": 174179
  },
  "area": {
    "land_sqmi": 30.919,
    "water_sqmi": 0.567
  },
  "nearest_zips": [
    {
      "zip": "53094",
      "miles": 5.1,
      "city": "Watertown",
      "state": "WI"
    },
    {
      "zip": "53551",
      "miles": 6.3,
      "city": "Lake Mills",
      "state": "WI"
    },
    {
      "zip": "53549",
      "miles": 7,
      "city": "Jefferson",
      "state": "WI"
    },
    {
      "zip": "53137",
      "miles": 8.1,
      "city": "Helenville",
      "state": "WI"
    },
    {
      "zip": "53178",
      "miles": 10.5,
      "city": "Sullivan",
      "state": "WI"
    },
    {
      "zip": "53594",
      "miles": 11.4,
      "city": "Waterloo",
      "state": "WI"
    },
    {
      "zip": "53098",
      "miles": 12.4,
      "city": "Watertown",
      "state": "WI"
    },
    {
      "zip": "53036",
      "miles": 12.7,
      "city": "Ixonia",
      "state": "WI"
    },
    {
      "zip": "53538",
      "miles": 12.8,
      "city": "Fort Atkinson",
      "state": "WI"
    },
    {
      "zip": "53523",
      "miles": 13.9,
      "city": "Cambridge",
      "state": "WI"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/53038",
    "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."
  }
}