{
  "zip": "50231",
  "type": "standard",
  "type_source": "inferred",
  "city": "Randall",
  "other_place_names": [],
  "state": "IA",
  "state_name": "Iowa",
  "county": {
    "fips": "19079",
    "name": "Hamilton County",
    "short_name": "Hamilton"
  },
  "counties": [
    {
      "county_fips": "19079",
      "name": "Hamilton County",
      "short_name": "Hamilton",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.237742,
    "lng": -93.602593,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 142,
    "households": 61,
    "housing_units": 65,
    "median_age": 51.5,
    "median_household_income": 72321,
    "median_home_value": 110800,
    "median_rent": null,
    "pct_bachelors_plus": 15.2,
    "mean_commute_min": 28.5,
    "density_per_sqmi": 312.8
  },
  "business": {
    "establishments": 5,
    "employees": 15,
    "annual_payroll_thousands": 960
  },
  "tax": {
    "irs_returns": null,
    "irs_agi_thousands": null
  },
  "area": {
    "land_sqmi": 0.454,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "50248",
      "miles": 3.3,
      "city": "Story City",
      "state": "IA"
    },
    {
      "zip": "50130",
      "miles": 5.7,
      "city": "Jewell",
      "state": "IA"
    },
    {
      "zip": "50075",
      "miles": 6.3,
      "city": "Ellsworth",
      "state": "IA"
    },
    {
      "zip": "50236",
      "miles": 7.1,
      "city": "Roland",
      "state": "IA"
    },
    {
      "zip": "50105",
      "miles": 8.5,
      "city": "Gilbert",
      "state": "IA"
    },
    {
      "zip": "50230",
      "miles": 8.9,
      "city": "Radcliffe",
      "state": "IA"
    },
    {
      "zip": "50246",
      "miles": 9.8,
      "city": "Stanhope",
      "state": "IA"
    },
    {
      "zip": "50102",
      "miles": 10.4,
      "city": "Garden City",
      "state": "IA"
    },
    {
      "zip": "50132",
      "miles": 11.5,
      "city": "Kamrar",
      "state": "IA"
    },
    {
      "zip": "50154",
      "miles": 11.6,
      "city": "Mc Callsburg",
      "state": "IA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/50231",
    "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."
  }
}