{
  "zip": "66618",
  "type": "standard",
  "type_source": "inferred",
  "city": "Topeka",
  "other_place_names": [],
  "state": "KS",
  "state_name": "Kansas",
  "county": {
    "fips": "20177",
    "name": "Shawnee County",
    "short_name": "Shawnee"
  },
  "counties": [
    {
      "county_fips": "20177",
      "name": "Shawnee County",
      "short_name": "Shawnee",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 39.139508,
    "lng": -95.748267,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "45820",
    "name": "Topeka, KS",
    "type": "metro",
    "csa_code": null,
    "csa_name": null
  },
  "demographics": {
    "population": 10179,
    "households": 4001,
    "housing_units": 4069,
    "median_age": 42,
    "median_household_income": 109884,
    "median_home_value": 254200,
    "median_rent": 984,
    "pct_bachelors_plus": 42.1,
    "mean_commute_min": 20,
    "density_per_sqmi": 139.9
  },
  "business": {
    "establishments": 194,
    "employees": 6152,
    "annual_payroll_thousands": 418838
  },
  "tax": {
    "irs_returns": 4750,
    "irs_agi_thousands": 442802
  },
  "area": {
    "land_sqmi": 72.773,
    "water_sqmi": 2.154
  },
  "nearest_zips": [
    {
      "zip": "66539",
      "miles": 4.9,
      "city": "Silver Lake",
      "state": "KS"
    },
    {
      "zip": "66606",
      "miles": 5.6,
      "city": "Topeka",
      "state": "KS"
    },
    {
      "zip": "66608",
      "miles": 6.1,
      "city": "Topeka",
      "state": "KS"
    },
    {
      "zip": "66617",
      "miles": 6.7,
      "city": "Topeka",
      "state": "KS"
    },
    {
      "zip": "66620",
      "miles": 6.8,
      "city": "Topeka",
      "state": "KS"
    },
    {
      "zip": "66624",
      "miles": 6.8,
      "city": "Topeka",
      "state": "KS"
    },
    {
      "zip": "66647",
      "miles": 6.8,
      "city": "Topeka",
      "state": "KS"
    },
    {
      "zip": "66667",
      "miles": 6.8,
      "city": "Topeka",
      "state": "KS"
    },
    {
      "zip": "66675",
      "miles": 6.8,
      "city": "Topeka",
      "state": "KS"
    },
    {
      "zip": "66603",
      "miles": 6.9,
      "city": "Topeka",
      "state": "KS"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/66618",
    "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."
  }
}