{
  "zip": "63648",
  "type": "standard",
  "type_source": "inferred",
  "city": "Irondale",
  "other_place_names": [],
  "state": "MO",
  "state_name": "Missouri",
  "county": {
    "fips": "29221",
    "name": "Washington County",
    "short_name": "Washington"
  },
  "counties": [
    {
      "county_fips": "29221",
      "name": "Washington County",
      "short_name": "Washington",
      "weight": 0.9262,
      "basis": "land_area"
    },
    {
      "county_fips": "29187",
      "name": "St. Francois County",
      "short_name": "St. Francois",
      "weight": 0.0738,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 37.815283,
    "lng": -90.701003,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 1858,
    "households": 734,
    "housing_units": 779,
    "median_age": 40.9,
    "median_household_income": 51765,
    "median_home_value": 99500,
    "median_rent": null,
    "pct_bachelors_plus": 14.5,
    "mean_commute_min": 37.4,
    "density_per_sqmi": 59.3
  },
  "business": {
    "establishments": 8,
    "employees": 15,
    "annual_payroll_thousands": 481
  },
  "tax": {
    "irs_returns": 580,
    "irs_agi_thousands": 27939
  },
  "area": {
    "land_sqmi": 31.325,
    "water_sqmi": 0.016
  },
  "nearest_zips": [
    {
      "zip": "63624",
      "miles": 5.5,
      "city": "Bismarck",
      "state": "MO"
    },
    {
      "zip": "63631",
      "miles": 6.3,
      "city": "Caledonia",
      "state": "MO"
    },
    {
      "zip": "63653",
      "miles": 6.9,
      "city": "Leadwood",
      "state": "MO"
    },
    {
      "zip": "63660",
      "miles": 6.9,
      "city": "Mineral Point",
      "state": "MO"
    },
    {
      "zip": "63601",
      "miles": 8.6,
      "city": "Park Hills",
      "state": "MO"
    },
    {
      "zip": "63622",
      "miles": 11.4,
      "city": "Belgrade",
      "state": "MO"
    },
    {
      "zip": "63637",
      "miles": 12.3,
      "city": "Doe Run",
      "state": "MO"
    },
    {
      "zip": "63628",
      "miles": 12.3,
      "city": "Bonne Terre",
      "state": "MO"
    },
    {
      "zip": "63663",
      "miles": 13.4,
      "city": "Pilot Knob",
      "state": "MO"
    },
    {
      "zip": "63664",
      "miles": 13.6,
      "city": "Potosi",
      "state": "MO"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/63648",
    "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."
  }
}