{
  "zip": "51533",
  "type": "standard",
  "type_source": "inferred",
  "city": "Emerson",
  "other_place_names": [],
  "state": "IA",
  "state_name": "Iowa",
  "county": {
    "fips": "19137",
    "name": "Montgomery County",
    "short_name": "Montgomery"
  },
  "counties": [
    {
      "county_fips": "19137",
      "name": "Montgomery County",
      "short_name": "Montgomery",
      "weight": 0.5478,
      "basis": "land_area"
    },
    {
      "county_fips": "19129",
      "name": "Mills County",
      "short_name": "Mills",
      "weight": 0.4522,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 41.039454,
    "lng": -95.378172,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 844,
    "households": 359,
    "housing_units": 395,
    "median_age": 44.8,
    "median_household_income": 68750,
    "median_home_value": 136500,
    "median_rent": 1034,
    "pct_bachelors_plus": 13.1,
    "mean_commute_min": 27.2,
    "density_per_sqmi": 10.6
  },
  "business": {
    "establishments": 17,
    "employees": 93,
    "annual_payroll_thousands": 4555
  },
  "tax": {
    "irs_returns": 370,
    "irs_agi_thousands": 28844
  },
  "area": {
    "land_sqmi": 79.918,
    "water_sqmi": 0.011
  },
  "nearest_zips": [
    {
      "zip": "51540",
      "miles": 6.3,
      "city": "Hastings",
      "state": "IA"
    },
    {
      "zip": "51541",
      "miles": 7.2,
      "city": "Henderson",
      "state": "IA"
    },
    {
      "zip": "51566",
      "miles": 7.9,
      "city": "Red Oak",
      "state": "IA"
    },
    {
      "zip": "51549",
      "miles": 11.1,
      "city": "Macedonia",
      "state": "IA"
    },
    {
      "zip": "51645",
      "miles": 11.1,
      "city": "Imogene",
      "state": "IA"
    },
    {
      "zip": "51551",
      "miles": 11.4,
      "city": "Malvern",
      "state": "IA"
    },
    {
      "zip": "51591",
      "miles": 11.6,
      "city": "Red Oak",
      "state": "IA"
    },
    {
      "zip": "51525",
      "miles": 13.6,
      "city": "Carson",
      "state": "IA"
    },
    {
      "zip": "51571",
      "miles": 14.3,
      "city": "Silver City",
      "state": "IA"
    },
    {
      "zip": "51638",
      "miles": 15.1,
      "city": "Essex",
      "state": "IA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/51533",
    "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."
  }
}