{
  "zip": "61277",
  "type": "standard",
  "type_source": "inferred",
  "city": "Prophetstown",
  "other_place_names": [
    "Lyndon"
  ],
  "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": 0.5985,
      "basis": "land_area"
    },
    {
      "county_fips": "17073",
      "name": "Henry County",
      "short_name": "Henry",
      "weight": 0.4015,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 41.613582,
    "lng": -89.930578,
    "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": 3054,
    "households": 1167,
    "housing_units": 1330,
    "median_age": 44,
    "median_household_income": 70363,
    "median_home_value": 148200,
    "median_rent": 801,
    "pct_bachelors_plus": 16.4,
    "mean_commute_min": 27.2,
    "density_per_sqmi": 22.8
  },
  "business": {
    "establishments": 65,
    "employees": 748,
    "annual_payroll_thousands": 34057
  },
  "tax": {
    "irs_returns": 1500,
    "irs_agi_thousands": 114368
  },
  "area": {
    "land_sqmi": 133.689,
    "water_sqmi": 0.889
  },
  "nearest_zips": [
    {
      "zip": "61258",
      "miles": 6.4,
      "city": "Hooppole",
      "state": "IL"
    },
    {
      "zip": "61283",
      "miles": 7.5,
      "city": "Tampico",
      "state": "IL"
    },
    {
      "zip": "61261",
      "miles": 8.5,
      "city": "Lyndon",
      "state": "IL"
    },
    {
      "zip": "61250",
      "miles": 9.8,
      "city": "Erie",
      "state": "IL"
    },
    {
      "zip": "61251",
      "miles": 10.8,
      "city": "Fenton",
      "state": "IL"
    },
    {
      "zip": "61243",
      "miles": 13,
      "city": "Deer Grove",
      "state": "IL"
    },
    {
      "zip": "61346",
      "miles": 13.2,
      "city": "New Bedford",
      "state": "IL"
    },
    {
      "zip": "61234",
      "miles": 13.5,
      "city": "Annawan",
      "state": "IL"
    },
    {
      "zip": "61071",
      "miles": 14.2,
      "city": "Rock Falls",
      "state": "IL"
    },
    {
      "zip": "61344",
      "miles": 14.8,
      "city": "Mineral",
      "state": "IL"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/61277",
    "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."
  }
}