{
  "zip": "52031",
  "type": "standard",
  "type_source": "inferred",
  "city": "Bellevue",
  "other_place_names": [],
  "state": "IA",
  "state_name": "Iowa",
  "county": {
    "fips": "19097",
    "name": "Jackson County",
    "short_name": "Jackson"
  },
  "counties": [
    {
      "county_fips": "19097",
      "name": "Jackson County",
      "short_name": "Jackson",
      "weight": 0.9472,
      "basis": "land_area"
    },
    {
      "county_fips": "19061",
      "name": "Dubuque County",
      "short_name": "Dubuque",
      "weight": 0.0528,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.252564,
    "lng": -90.486421,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 5403,
    "households": 2113,
    "housing_units": 2510,
    "median_age": 42.3,
    "median_household_income": 86674,
    "median_home_value": 244600,
    "median_rent": 806,
    "pct_bachelors_plus": 24.9,
    "mean_commute_min": 19.4,
    "density_per_sqmi": 32.4
  },
  "business": {
    "establishments": 134,
    "employees": 989,
    "annual_payroll_thousands": 45812
  },
  "tax": {
    "irs_returns": 2390,
    "irs_agi_thousands": 199641
  },
  "area": {
    "land_sqmi": 166.688,
    "water_sqmi": 5.166
  },
  "nearest_zips": [
    {
      "zip": "52075",
      "miles": 6,
      "city": "Springbrook",
      "state": "IA"
    },
    {
      "zip": "52071",
      "miles": 8.1,
      "city": "Saint Donatus",
      "state": "IA"
    },
    {
      "zip": "52054",
      "miles": 8.1,
      "city": "La Motte",
      "state": "IA"
    },
    {
      "zip": "52030",
      "miles": 8.7,
      "city": "Andrew",
      "state": "IA"
    },
    {
      "zip": "61041",
      "miles": 9.1,
      "city": "Hanover",
      "state": "IL"
    },
    {
      "zip": "52074",
      "miles": 9.9,
      "city": "Spragueville",
      "state": "IA"
    },
    {
      "zip": "52079",
      "miles": 12.1,
      "city": "Zwingle",
      "state": "IA"
    },
    {
      "zip": "61036",
      "miles": 12.5,
      "city": "Galena",
      "state": "IL"
    },
    {
      "zip": "52069",
      "miles": 13.6,
      "city": "Preston",
      "state": "IA"
    },
    {
      "zip": "52064",
      "miles": 14.2,
      "city": "Miles",
      "state": "IA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/52031",
    "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."
  }
}