{
  "zip": "42431",
  "type": "standard",
  "type_source": "inferred",
  "city": "Madisonville",
  "other_place_names": [
    "Earlington",
    "Mortons Gap",
    "Hanson"
  ],
  "state": "KY",
  "state_name": "Kentucky",
  "county": {
    "fips": "21107",
    "name": "Hopkins County",
    "short_name": "Hopkins"
  },
  "counties": [
    {
      "county_fips": "21107",
      "name": "Hopkins County",
      "short_name": "Hopkins",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 37.33757,
    "lng": -87.475195,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "31580",
    "name": "Madisonville, KY",
    "type": "micro",
    "csa_code": null,
    "csa_name": null
  },
  "demographics": {
    "population": 27207,
    "households": 11270,
    "housing_units": 12720,
    "median_age": 40.2,
    "median_household_income": 54905,
    "median_home_value": 160700,
    "median_rent": 850,
    "pct_bachelors_plus": 20.1,
    "mean_commute_min": 18.5,
    "density_per_sqmi": 163.2
  },
  "business": {
    "establishments": 707,
    "employees": 11921,
    "annual_payroll_thousands": 620269
  },
  "tax": {
    "irs_returns": 11120,
    "irs_agi_thousands": 696466
  },
  "area": {
    "land_sqmi": 166.67,
    "water_sqmi": 6.349
  },
  "nearest_zips": [
    {
      "zip": "42410",
      "miles": 4.7,
      "city": "Earlington",
      "state": "KY"
    },
    {
      "zip": "42440",
      "miles": 6.8,
      "city": "Mortons Gap",
      "state": "KY"
    },
    {
      "zip": "42413",
      "miles": 7,
      "city": "Hanson",
      "state": "KY"
    },
    {
      "zip": "42436",
      "miles": 7.3,
      "city": "Manitou",
      "state": "KY"
    },
    {
      "zip": "42344",
      "miles": 9.8,
      "city": "Graham",
      "state": "KY"
    },
    {
      "zip": "42441",
      "miles": 10.1,
      "city": "Nebo",
      "state": "KY"
    },
    {
      "zip": "42442",
      "miles": 10.9,
      "city": "Nortonville",
      "state": "KY"
    },
    {
      "zip": "42325",
      "miles": 11.4,
      "city": "Bremen",
      "state": "KY"
    },
    {
      "zip": "42372",
      "miles": 11.8,
      "city": "Sacramento",
      "state": "KY"
    },
    {
      "zip": "42456",
      "miles": 12,
      "city": "Slaughters",
      "state": "KY"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/42431",
    "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."
  }
}