{
  "zip": "53506",
  "type": "standard",
  "type_source": "inferred",
  "city": "Avoca",
  "other_place_names": [],
  "state": "WI",
  "state_name": "Wisconsin",
  "county": {
    "fips": "55049",
    "name": "Iowa County",
    "short_name": "Iowa"
  },
  "counties": [
    {
      "county_fips": "55049",
      "name": "Iowa County",
      "short_name": "Iowa",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.164816,
    "lng": -90.286348,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "31540",
    "name": "Madison, WI",
    "type": "metro",
    "csa_code": "357",
    "csa_name": "Madison-Janesville-Beloit, WI"
  },
  "demographics": {
    "population": 1011,
    "households": 427,
    "housing_units": 559,
    "median_age": 48.1,
    "median_household_income": 59861,
    "median_home_value": 171500,
    "median_rent": 908,
    "pct_bachelors_plus": 13.1,
    "mean_commute_min": 32.3,
    "density_per_sqmi": 16.6
  },
  "business": {
    "establishments": 8,
    "employees": 28,
    "annual_payroll_thousands": 983
  },
  "tax": {
    "irs_returns": 470,
    "irs_agi_thousands": 25996
  },
  "area": {
    "land_sqmi": 61.032,
    "water_sqmi": 1.861
  },
  "nearest_zips": [
    {
      "zip": "53540",
      "miles": 4,
      "city": "Gotham",
      "state": "WI"
    },
    {
      "zip": "53556",
      "miles": 5.5,
      "city": "Lone Rock",
      "state": "WI"
    },
    {
      "zip": "53584",
      "miles": 7.9,
      "city": "Sextonville",
      "state": "WI"
    },
    {
      "zip": "53543",
      "miles": 8,
      "city": "Highland",
      "state": "WI"
    },
    {
      "zip": "53573",
      "miles": 8.8,
      "city": "Muscoda",
      "state": "WI"
    },
    {
      "zip": "53588",
      "miles": 10.5,
      "city": "Spring Green",
      "state": "WI"
    },
    {
      "zip": "53533",
      "miles": 13.2,
      "city": "Dodgeville",
      "state": "WI"
    },
    {
      "zip": "53526",
      "miles": 13.5,
      "city": "Cobb",
      "state": "WI"
    },
    {
      "zip": "53535",
      "miles": 13.7,
      "city": "Edmund",
      "state": "WI"
    },
    {
      "zip": "53569",
      "miles": 14.3,
      "city": "Montfort",
      "state": "WI"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/53506",
    "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."
  }
}