{
  "zip": "51240",
  "type": "standard",
  "type_source": "inferred",
  "city": "Inwood",
  "other_place_names": [],
  "state": "IA",
  "state_name": "Iowa",
  "county": {
    "fips": "19119",
    "name": "Lyon County",
    "short_name": "Lyon"
  },
  "counties": [
    {
      "county_fips": "19119",
      "name": "Lyon County",
      "short_name": "Lyon",
      "weight": 0.8547,
      "basis": "land_area"
    },
    {
      "county_fips": "19167",
      "name": "Sioux County",
      "short_name": "Sioux",
      "weight": 0.1453,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.309361,
    "lng": -96.458419,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 1914,
    "households": 632,
    "housing_units": 673,
    "median_age": 34.4,
    "median_household_income": 83929,
    "median_home_value": 232600,
    "median_rent": 993,
    "pct_bachelors_plus": 16.5,
    "mean_commute_min": 22.7,
    "density_per_sqmi": 19.1
  },
  "business": {
    "establishments": 67,
    "employees": 446,
    "annual_payroll_thousands": 14778
  },
  "tax": {
    "irs_returns": 770,
    "irs_agi_thousands": 71774
  },
  "area": {
    "land_sqmi": 100.428,
    "water_sqmi": 0.114
  },
  "nearest_zips": [
    {
      "zip": "51230",
      "miles": 7.6,
      "city": "Alvord",
      "state": "IA"
    },
    {
      "zip": "57013",
      "miles": 8.6,
      "city": "Canton",
      "state": "SD"
    },
    {
      "zip": "57027",
      "miles": 8.7,
      "city": "Fairview",
      "state": "SD"
    },
    {
      "zip": "51241",
      "miles": 9.8,
      "city": "Larchwood",
      "state": "IA"
    },
    {
      "zip": "51247",
      "miles": 10,
      "city": "Rock Valley",
      "state": "IA"
    },
    {
      "zip": "51242",
      "miles": 10.4,
      "city": "Lester",
      "state": "IA"
    },
    {
      "zip": "51235",
      "miles": 12.3,
      "city": "Doon",
      "state": "IA"
    },
    {
      "zip": "57032",
      "miles": 13.6,
      "city": "Harrisburg",
      "state": "SD"
    },
    {
      "zip": "57034",
      "miles": 13.7,
      "city": "Hudson",
      "state": "SD"
    },
    {
      "zip": "57077",
      "miles": 14.8,
      "city": "Worthing",
      "state": "SD"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/51240",
    "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."
  }
}