{
  "zip": "50603",
  "type": "standard",
  "type_source": "inferred",
  "city": "Alta Vista",
  "other_place_names": [],
  "state": "IA",
  "state_name": "Iowa",
  "county": {
    "fips": "19037",
    "name": "Chickasaw County",
    "short_name": "Chickasaw"
  },
  "counties": [
    {
      "county_fips": "19037",
      "name": "Chickasaw County",
      "short_name": "Chickasaw",
      "weight": 0.8326,
      "basis": "land_area"
    },
    {
      "county_fips": "19089",
      "name": "Howard County",
      "short_name": "Howard",
      "weight": 0.1674,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.188939,
    "lng": -92.458215,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 555,
    "households": 231,
    "housing_units": 237,
    "median_age": 41.3,
    "median_household_income": 74271,
    "median_home_value": 122700,
    "median_rent": 640,
    "pct_bachelors_plus": 6.7,
    "mean_commute_min": 21.6,
    "density_per_sqmi": 12.3
  },
  "business": {
    "establishments": 13,
    "employees": 76,
    "annual_payroll_thousands": 2555
  },
  "tax": {
    "irs_returns": 280,
    "irs_agi_thousands": 18291
  },
  "area": {
    "land_sqmi": 45.112,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "50661",
      "miles": 5.4,
      "city": "North Washington",
      "state": "IA"
    },
    {
      "zip": "50628",
      "miles": 6.6,
      "city": "Elma",
      "state": "IA"
    },
    {
      "zip": "50620",
      "miles": 7.1,
      "city": "Colwell",
      "state": "IA"
    },
    {
      "zip": "50659",
      "miles": 9.2,
      "city": "New Hampton",
      "state": "IA"
    },
    {
      "zip": "50645",
      "miles": 11.7,
      "city": "Ionia",
      "state": "IA"
    },
    {
      "zip": "50460",
      "miles": 12,
      "city": "Orchard",
      "state": "IA"
    },
    {
      "zip": "50616",
      "miles": 12.6,
      "city": "Charles City",
      "state": "IA"
    },
    {
      "zip": "50466",
      "miles": 14.3,
      "city": "Riceville",
      "state": "IA"
    },
    {
      "zip": "52154",
      "miles": 15.6,
      "city": "Lawler",
      "state": "IA"
    },
    {
      "zip": "50435",
      "miles": 15.8,
      "city": "Floyd",
      "state": "IA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/50603",
    "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."
  }
}