{
  "zip": "51011",
  "type": "standard",
  "type_source": "inferred",
  "city": "Chatsworth",
  "other_place_names": [],
  "state": "IA",
  "state_name": "Iowa",
  "county": {
    "fips": "19167",
    "name": "Sioux County",
    "short_name": "Sioux"
  },
  "counties": [
    {
      "county_fips": "19167",
      "name": "Sioux County",
      "short_name": "Sioux",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.915627,
    "lng": -96.513876,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 54,
    "households": 30,
    "housing_units": 48,
    "median_age": 60.5,
    "median_household_income": 44375,
    "median_home_value": null,
    "median_rent": null,
    "pct_bachelors_plus": 0,
    "mean_commute_min": 25.8,
    "density_per_sqmi": 128.9
  },
  "business": {
    "establishments": null,
    "employees": null,
    "annual_payroll_thousands": null
  },
  "tax": {
    "irs_returns": null,
    "irs_agi_thousands": null
  },
  "area": {
    "land_sqmi": 0.419,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "51001",
      "miles": 5.4,
      "city": "Akron",
      "state": "IA"
    },
    {
      "zip": "51023",
      "miles": 6.8,
      "city": "Hawarden",
      "state": "IA"
    },
    {
      "zip": "57001",
      "miles": 9.5,
      "city": "Alcester",
      "state": "SD"
    },
    {
      "zip": "51027",
      "miles": 10,
      "city": "Ireton",
      "state": "IA"
    },
    {
      "zip": "57034",
      "miles": 14.2,
      "city": "Hudson",
      "state": "SD"
    },
    {
      "zip": "51008",
      "miles": 14.4,
      "city": "Brunsville",
      "state": "IA"
    },
    {
      "zip": "51062",
      "miles": 15.1,
      "city": "Westfield",
      "state": "IA"
    },
    {
      "zip": "57025",
      "miles": 16.6,
      "city": "Elk Point",
      "state": "SD"
    },
    {
      "zip": "51036",
      "miles": 16.8,
      "city": "Maurice",
      "state": "IA"
    },
    {
      "zip": "57010",
      "miles": 16.9,
      "city": "Burbank",
      "state": "SD"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/51011",
    "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."
  }
}