{
  "zip": "51357",
  "type": "standard",
  "type_source": "inferred",
  "city": "Royal",
  "other_place_names": [
    "Rossie"
  ],
  "state": "IA",
  "state_name": "Iowa",
  "county": {
    "fips": "19041",
    "name": "Clay County",
    "short_name": "Clay"
  },
  "counties": [
    {
      "county_fips": "19041",
      "name": "Clay County",
      "short_name": "Clay",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.062161,
    "lng": -95.287599,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "43980",
    "name": "Spencer, IA",
    "type": "micro",
    "csa_code": "517",
    "csa_name": "Spencer-Spirit Lake, IA"
  },
  "demographics": {
    "population": 910,
    "households": 336,
    "housing_units": 351,
    "median_age": 33.3,
    "median_household_income": 68333,
    "median_home_value": 118500,
    "median_rent": 895,
    "pct_bachelors_plus": 17.7,
    "mean_commute_min": 19.9,
    "density_per_sqmi": 24.4
  },
  "business": {
    "establishments": 18,
    "employees": 119,
    "annual_payroll_thousands": 5709
  },
  "tax": {
    "irs_returns": 330,
    "irs_agi_thousands": 21317
  },
  "area": {
    "land_sqmi": 37.284,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "51343",
      "miles": 8.7,
      "city": "Greenville",
      "state": "IA"
    },
    {
      "zip": "51047",
      "miles": 9.3,
      "city": "Peterson",
      "state": "IA"
    },
    {
      "zip": "51301",
      "miles": 9.4,
      "city": "Spencer",
      "state": "IA"
    },
    {
      "zip": "51338",
      "miles": 10,
      "city": "Everly",
      "state": "IA"
    },
    {
      "zip": "51033",
      "miles": 10,
      "city": "Linn Grove",
      "state": "IA"
    },
    {
      "zip": "51058",
      "miles": 10.8,
      "city": "Sutherland",
      "state": "IA"
    },
    {
      "zip": "51346",
      "miles": 12.2,
      "city": "Hartley",
      "state": "IA"
    },
    {
      "zip": "50585",
      "miles": 12.4,
      "city": "Sioux Rapids",
      "state": "IA"
    },
    {
      "zip": "51341",
      "miles": 13.1,
      "city": "Gillett Grove",
      "state": "IA"
    },
    {
      "zip": "51340",
      "miles": 14,
      "city": "Fostoria",
      "state": "IA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/51357",
    "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."
  }
}