{
  "zip": "66538",
  "type": "standard",
  "type_source": "inferred",
  "city": "Seneca",
  "other_place_names": [
    "St. Benedict",
    "Kelly",
    "Oneida"
  ],
  "state": "KS",
  "state_name": "Kansas",
  "county": {
    "fips": "20131",
    "name": "Nemaha County",
    "short_name": "Nemaha"
  },
  "counties": [
    {
      "county_fips": "20131",
      "name": "Nemaha County",
      "short_name": "Nemaha",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 39.850557,
    "lng": -96.044691,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 3602,
    "households": 1361,
    "housing_units": 1509,
    "median_age": 41.3,
    "median_household_income": 78981,
    "median_home_value": 299300,
    "median_rent": 808,
    "pct_bachelors_plus": 32.9,
    "mean_commute_min": 11.3,
    "density_per_sqmi": 26.3
  },
  "business": {
    "establishments": 176,
    "employees": 2352,
    "annual_payroll_thousands": 115104
  },
  "tax": {
    "irs_returns": 1640,
    "irs_agi_thousands": 138662
  },
  "area": {
    "land_sqmi": 136.786,
    "water_sqmi": 0.029
  },
  "nearest_zips": [
    {
      "zip": "66522",
      "miles": 5.8,
      "city": "Oneida",
      "state": "KS"
    },
    {
      "zip": "66404",
      "miles": 6.9,
      "city": "Baileyville",
      "state": "KS"
    },
    {
      "zip": "66408",
      "miles": 7.8,
      "city": "Bern",
      "state": "KS"
    },
    {
      "zip": "66534",
      "miles": 11.2,
      "city": "Sabetha",
      "state": "KS"
    },
    {
      "zip": "66415",
      "miles": 12.2,
      "city": "Centralia",
      "state": "KS"
    },
    {
      "zip": "66403",
      "miles": 12.3,
      "city": "Axtell",
      "state": "KS"
    },
    {
      "zip": "68345",
      "miles": 12.9,
      "city": "Du Bois",
      "state": "NE"
    },
    {
      "zip": "66417",
      "miles": 13.4,
      "city": "Corning",
      "state": "KS"
    },
    {
      "zip": "66428",
      "miles": 13.5,
      "city": "Goff",
      "state": "KS"
    },
    {
      "zip": "66544",
      "miles": 16.5,
      "city": "Vermillion",
      "state": "KS"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/66538",
    "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."
  }
}