{
  "zip": "40020",
  "type": "standard",
  "type_source": "inferred",
  "city": "Fairfield",
  "other_place_names": [],
  "state": "KY",
  "state_name": "Kentucky",
  "county": {
    "fips": "21179",
    "name": "Nelson County",
    "short_name": "Nelson"
  },
  "counties": [
    {
      "county_fips": "21179",
      "name": "Nelson County",
      "short_name": "Nelson",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 37.934784,
    "lng": -85.387416,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "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": 199,
    "households": 119,
    "housing_units": 119,
    "median_age": 59.9,
    "median_household_income": 90712,
    "median_home_value": null,
    "median_rent": null,
    "pct_bachelors_plus": 13,
    "mean_commute_min": 34.7,
    "density_per_sqmi": 418.9
  },
  "business": {
    "establishments": null,
    "employees": null,
    "annual_payroll_thousands": null
  },
  "tax": {
    "irs_returns": null,
    "irs_agi_thousands": null
  },
  "area": {
    "land_sqmi": 0.475,
    "water_sqmi": 0.003
  },
  "nearest_zips": [
    {
      "zip": "40013",
      "miles": 5.2,
      "city": "Coxs Creek",
      "state": "KY"
    },
    {
      "zip": "40008",
      "miles": 6.4,
      "city": "Bloomfield",
      "state": "KY"
    },
    {
      "zip": "40071",
      "miles": 7.5,
      "city": "Taylorsville",
      "state": "KY"
    },
    {
      "zip": "40048",
      "miles": 7.5,
      "city": "Nazareth",
      "state": "KY"
    },
    {
      "zip": "40004",
      "miles": 10.2,
      "city": "Bardstown",
      "state": "KY"
    },
    {
      "zip": "40047",
      "miles": 11.5,
      "city": "Mount Washington",
      "state": "KY"
    },
    {
      "zip": "40012",
      "miles": 12.1,
      "city": "Chaplin",
      "state": "KY"
    },
    {
      "zip": "40046",
      "miles": 13.4,
      "city": "Mount Eden",
      "state": "KY"
    },
    {
      "zip": "40110",
      "miles": 14.4,
      "city": "Clermont",
      "state": "KY"
    },
    {
      "zip": "40078",
      "miles": 15,
      "city": "Willisburg",
      "state": "KY"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/40020",
    "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."
  }
}