{
  "zip": "40291",
  "type": "standard",
  "type_source": "inferred",
  "city": "Louisville",
  "other_place_names": [
    "Louisville/Jefferson County metro government",
    "Jeffersontown"
  ],
  "state": "KY",
  "state_name": "Kentucky",
  "county": {
    "fips": "21111",
    "name": "Jefferson County",
    "short_name": "Jefferson"
  },
  "counties": [
    {
      "county_fips": "21111",
      "name": "Jefferson County",
      "short_name": "Jefferson",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 38.12607,
    "lng": -85.579552,
    "source": "gazetteer_internal_point",
    "timezone": "America/Kentucky/Louisville"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "31140",
    "name": "Louisville/Jefferson County, KY-IN",
    "type": "metro",
    "csa_code": "350",
    "csa_name": "Louisville/Jefferson County--Elizabethtown, KY-IN"
  },
  "demographics": {
    "population": 41222,
    "households": 16591,
    "housing_units": 17035,
    "median_age": 39.1,
    "median_household_income": 81267,
    "median_home_value": 276900,
    "median_rent": 1207,
    "pct_bachelors_plus": 31.7,
    "mean_commute_min": 23.9,
    "density_per_sqmi": 1821.5
  },
  "business": {
    "establishments": 540,
    "employees": 4971,
    "annual_payroll_thousands": 170676
  },
  "tax": {
    "irs_returns": 20380,
    "irs_agi_thousands": 1514412
  },
  "area": {
    "land_sqmi": 22.631,
    "water_sqmi": 0.308
  },
  "nearest_zips": [
    {
      "zip": "40228",
      "miles": 3.2,
      "city": "Louisville",
      "state": "KY"
    },
    {
      "zip": "40299",
      "miles": 3.8,
      "city": "Louisville",
      "state": "KY"
    },
    {
      "zip": "40229",
      "miles": 5.1,
      "city": "Louisville",
      "state": "KY"
    },
    {
      "zip": "40218",
      "miles": 6.1,
      "city": "Louisville",
      "state": "KY"
    },
    {
      "zip": "40219",
      "miles": 6.2,
      "city": "Louisville",
      "state": "KY"
    },
    {
      "zip": "40129",
      "miles": 6.3,
      "city": "Hillview",
      "state": "KY"
    },
    {
      "zip": "40047",
      "miles": 6.4,
      "city": "Mount Washington",
      "state": "KY"
    },
    {
      "zip": "40220",
      "miles": 6.5,
      "city": "Louisville",
      "state": "KY"
    },
    {
      "zip": "40201",
      "miles": 6.8,
      "city": "Louisville",
      "state": "KY"
    },
    {
      "zip": "40224",
      "miles": 6.8,
      "city": "Louisville",
      "state": "KY"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/40291",
    "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."
  }
}