{
  "zip": "53578",
  "type": "standard",
  "type_source": "inferred",
  "city": "Prairie Du Sac",
  "other_place_names": [
    "Lake Wisconsin"
  ],
  "state": "WI",
  "state_name": "Wisconsin",
  "county": {
    "fips": "55111",
    "name": "Sauk County",
    "short_name": "Sauk"
  },
  "counties": [
    {
      "county_fips": "55111",
      "name": "Sauk County",
      "short_name": "Sauk",
      "weight": 0.8087,
      "basis": "land_area"
    },
    {
      "county_fips": "55021",
      "name": "Columbia County",
      "short_name": "Columbia",
      "weight": 0.1913,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.311092,
    "lng": -89.768881,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "12660",
    "name": "Baraboo, WI",
    "type": "micro",
    "csa_code": "357",
    "csa_name": "Madison-Janesville-Beloit, WI"
  },
  "demographics": {
    "population": 6503,
    "households": 2669,
    "housing_units": 2802,
    "median_age": 42.6,
    "median_household_income": 105610,
    "median_home_value": 347000,
    "median_rent": 1357,
    "pct_bachelors_plus": 43.2,
    "mean_commute_min": 23.6,
    "density_per_sqmi": 150.9
  },
  "business": {
    "establishments": 170,
    "employees": 2852,
    "annual_payroll_thousands": 215419
  },
  "tax": {
    "irs_returns": 3290,
    "irs_agi_thousands": 313598
  },
  "area": {
    "land_sqmi": 43.085,
    "water_sqmi": 1.583
  },
  "nearest_zips": [
    {
      "zip": "53583",
      "miles": 4.7,
      "city": "Sauk City",
      "state": "WI"
    },
    {
      "zip": "53951",
      "miles": 7.6,
      "city": "North Freedom",
      "state": "WI"
    },
    {
      "zip": "53560",
      "miles": 8.4,
      "city": "Mazomanie",
      "state": "WI"
    },
    {
      "zip": "53561",
      "miles": 8.5,
      "city": "Merrimac",
      "state": "WI"
    },
    {
      "zip": "53555",
      "miles": 10.7,
      "city": "Lodi",
      "state": "WI"
    },
    {
      "zip": "53958",
      "miles": 11,
      "city": "Reedsburg",
      "state": "WI"
    },
    {
      "zip": "53913",
      "miles": 12.7,
      "city": "Baraboo",
      "state": "WI"
    },
    {
      "zip": "53529",
      "miles": 12.9,
      "city": "Dane",
      "state": "WI"
    },
    {
      "zip": "53515",
      "miles": 13.6,
      "city": "Black Earth",
      "state": "WI"
    },
    {
      "zip": "53961",
      "miles": 13.7,
      "city": "Rock Springs",
      "state": "WI"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/53578",
    "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."
  }
}