{
  "zip": "61251",
  "type": "standard",
  "type_source": "inferred",
  "city": "Fenton",
  "other_place_names": [],
  "state": "IL",
  "state_name": "Illinois",
  "county": {
    "fips": "17195",
    "name": "Whiteside County",
    "short_name": "Whiteside"
  },
  "counties": [
    {
      "county_fips": "17195",
      "name": "Whiteside County",
      "short_name": "Whiteside",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 41.729093,
    "lng": -90.072903,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "44580",
    "name": "Sterling, IL",
    "type": "micro",
    "csa_code": "221",
    "csa_name": "Dixon-Sterling, IL"
  },
  "demographics": {
    "population": 377,
    "households": 158,
    "housing_units": 158,
    "median_age": 36.1,
    "median_household_income": 79464,
    "median_home_value": 190900,
    "median_rent": null,
    "pct_bachelors_plus": 0,
    "mean_commute_min": 29.7,
    "density_per_sqmi": 21.5
  },
  "business": {
    "establishments": 3,
    "employees": 10,
    "annual_payroll_thousands": 516
  },
  "tax": {
    "irs_returns": 180,
    "irs_agi_thousands": 15175
  },
  "area": {
    "land_sqmi": 17.561,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "61250",
      "miles": 5.4,
      "city": "Erie",
      "state": "IL"
    },
    {
      "zip": "61230",
      "miles": 7.2,
      "city": "Albany",
      "state": "IL"
    },
    {
      "zip": "61252",
      "miles": 7.9,
      "city": "Fulton",
      "state": "IL"
    },
    {
      "zip": "61261",
      "miles": 8.4,
      "city": "Lyndon",
      "state": "IL"
    },
    {
      "zip": "61270",
      "miles": 8.8,
      "city": "Morrison",
      "state": "IL"
    },
    {
      "zip": "52734",
      "miles": 9.9,
      "city": "Clinton",
      "state": "IA"
    },
    {
      "zip": "52733",
      "miles": 10,
      "city": "Clinton",
      "state": "IA"
    },
    {
      "zip": "52736",
      "miles": 10,
      "city": "Clinton",
      "state": "IA"
    },
    {
      "zip": "61277",
      "miles": 10.8,
      "city": "Prophetstown",
      "state": "IL"
    },
    {
      "zip": "61242",
      "miles": 11,
      "city": "Cordova",
      "state": "IL"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/61251",
    "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."
  }
}