{
  "zip": "51201",
  "type": "standard",
  "type_source": "inferred",
  "city": "Sheldon",
  "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": 0.4917,
      "basis": "land_area"
    },
    {
      "county_fips": "19141",
      "name": "O'Brien County",
      "short_name": "O'Brien",
      "weight": 0.4864,
      "basis": "land_area"
    },
    {
      "county_fips": "19119",
      "name": "Lyon County",
      "short_name": "Lyon",
      "weight": 0.0219,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.182369,
    "lng": -95.865607,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 6430,
    "households": 2550,
    "housing_units": 2948,
    "median_age": 37.9,
    "median_household_income": 68799,
    "median_home_value": 197800,
    "median_rent": 930,
    "pct_bachelors_plus": 21.8,
    "mean_commute_min": 16.1,
    "density_per_sqmi": 55.6
  },
  "business": {
    "establishments": 243,
    "employees": 3990,
    "annual_payroll_thousands": 185085
  },
  "tax": {
    "irs_returns": 2770,
    "irs_agi_thousands": 243581
  },
  "area": {
    "land_sqmi": 115.657,
    "water_sqmi": 0.032
  },
  "nearest_zips": [
    {
      "zip": "51244",
      "miles": 5.5,
      "city": "Matlock",
      "state": "IA"
    },
    {
      "zip": "51238",
      "miles": 7.6,
      "city": "Hospers",
      "state": "IA"
    },
    {
      "zip": "51234",
      "miles": 7.8,
      "city": "Boyden",
      "state": "IA"
    },
    {
      "zip": "51231",
      "miles": 8.2,
      "city": "Archer",
      "state": "IA"
    },
    {
      "zip": "51232",
      "miles": 8.3,
      "city": "Ashton",
      "state": "IA"
    },
    {
      "zip": "51248",
      "miles": 10.5,
      "city": "Sanborn",
      "state": "IA"
    },
    {
      "zip": "51237",
      "miles": 12.6,
      "city": "George",
      "state": "IA"
    },
    {
      "zip": "51022",
      "miles": 14.1,
      "city": "Granville",
      "state": "IA"
    },
    {
      "zip": "51239",
      "miles": 14.3,
      "city": "Hull",
      "state": "IA"
    },
    {
      "zip": "51003",
      "miles": 14.6,
      "city": "Alton",
      "state": "IA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/51201",
    "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."
  }
}