{
  "zip": "52321",
  "type": "standard",
  "type_source": "inferred",
  "city": "Onslow",
  "other_place_names": [],
  "state": "IA",
  "state_name": "Iowa",
  "county": {
    "fips": "19105",
    "name": "Jones County",
    "short_name": "Jones"
  },
  "counties": [
    {
      "county_fips": "19105",
      "name": "Jones County",
      "short_name": "Jones",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.141694,
    "lng": -90.983093,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "16300",
    "name": "Cedar Rapids, IA",
    "type": "metro",
    "csa_code": "168",
    "csa_name": "Cedar Rapids-Iowa City, IA"
  },
  "demographics": {
    "population": 395,
    "households": 146,
    "housing_units": 162,
    "median_age": 40.2,
    "median_household_income": 77708,
    "median_home_value": 131300,
    "median_rent": 861,
    "pct_bachelors_plus": 13.5,
    "mean_commute_min": 28.7,
    "density_per_sqmi": 10.5
  },
  "business": {
    "establishments": 5,
    "employees": 13,
    "annual_payroll_thousands": 2068
  },
  "tax": {
    "irs_returns": 180,
    "irs_agi_thousands": 12843
  },
  "area": {
    "land_sqmi": 37.548,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "52309",
      "miles": 4.9,
      "city": "Monmouth",
      "state": "IA"
    },
    {
      "zip": "52362",
      "miles": 5.8,
      "city": "Wyoming",
      "state": "IA"
    },
    {
      "zip": "52212",
      "miles": 5.9,
      "city": "Center Junction",
      "state": "IA"
    },
    {
      "zip": "52207",
      "miles": 8.5,
      "city": "Baldwin",
      "state": "IA"
    },
    {
      "zip": "52033",
      "miles": 9.6,
      "city": "Cascade",
      "state": "IA"
    },
    {
      "zip": "52323",
      "miles": 11,
      "city": "Oxford Junction",
      "state": "IA"
    },
    {
      "zip": "52310",
      "miles": 12.2,
      "city": "Monticello",
      "state": "IA"
    },
    {
      "zip": "52032",
      "miles": 12.6,
      "city": "Bernard",
      "state": "IA"
    },
    {
      "zip": "52320",
      "miles": 13,
      "city": "Olin",
      "state": "IA"
    },
    {
      "zip": "52252",
      "miles": 13.1,
      "city": "Langworthy",
      "state": "IA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/52321",
    "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."
  }
}