{
  "zip": "61435",
  "type": "standard",
  "type_source": "inferred",
  "city": "Gerlaw",
  "other_place_names": [],
  "state": "IL",
  "state_name": "Illinois",
  "county": {
    "fips": "17187",
    "name": "Warren County",
    "short_name": "Warren"
  },
  "counties": [
    {
      "county_fips": "17187",
      "name": "Warren County",
      "short_name": "Warren",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 40.99561,
    "lng": -90.568639,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 271,
    "households": 87,
    "housing_units": 98,
    "median_age": 25.8,
    "median_household_income": null,
    "median_home_value": null,
    "median_rent": 708,
    "pct_bachelors_plus": 42.8,
    "mean_commute_min": null,
    "density_per_sqmi": 15.5
  },
  "business": {
    "establishments": null,
    "employees": null,
    "annual_payroll_thousands": null
  },
  "tax": {
    "irs_returns": null,
    "irs_agi_thousands": null
  },
  "area": {
    "land_sqmi": 17.446,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "61412",
      "miles": 5.7,
      "city": "Alexis",
      "state": "IL"
    },
    {
      "zip": "61462",
      "miles": 7.3,
      "city": "Monmouth",
      "state": "IL"
    },
    {
      "zip": "61423",
      "miles": 8.4,
      "city": "Cameron",
      "state": "IL"
    },
    {
      "zip": "61466",
      "miles": 9.2,
      "city": "North Henderson",
      "state": "IL"
    },
    {
      "zip": "61402",
      "miles": 9.3,
      "city": "Galesburg",
      "state": "IL"
    },
    {
      "zip": "61401",
      "miles": 10.1,
      "city": "Galesburg",
      "state": "IL"
    },
    {
      "zip": "61453",
      "miles": 10.2,
      "city": "Little York",
      "state": "IL"
    },
    {
      "zip": "61439",
      "miles": 11.6,
      "city": "Henderson",
      "state": "IL"
    },
    {
      "zip": "61472",
      "miles": 12.2,
      "city": "Rio",
      "state": "IL"
    },
    {
      "zip": "61488",
      "miles": 13.1,
      "city": "Wataga",
      "state": "IL"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/61435",
    "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."
  }
}