{
  "zip": "61109",
  "type": "standard",
  "type_source": "inferred",
  "city": "Rockford",
  "other_place_names": [
    "New Milford",
    "Cherry Valley"
  ],
  "state": "IL",
  "state_name": "Illinois",
  "county": {
    "fips": "17201",
    "name": "Winnebago County",
    "short_name": "Winnebago"
  },
  "counties": [
    {
      "county_fips": "17201",
      "name": "Winnebago County",
      "short_name": "Winnebago",
      "weight": 0.9671,
      "basis": "land_area"
    },
    {
      "county_fips": "17141",
      "name": "Ogle County",
      "short_name": "Ogle",
      "weight": 0.0329,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.191304,
    "lng": -89.055756,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "40420",
    "name": "Rockford, IL",
    "type": "metro",
    "csa_code": "466",
    "csa_name": "Rockford-Freeport-Rochelle, IL"
  },
  "demographics": {
    "population": 26768,
    "households": 11196,
    "housing_units": 11846,
    "median_age": 36.5,
    "median_household_income": 62973,
    "median_home_value": 139400,
    "median_rent": 959,
    "pct_bachelors_plus": 18.2,
    "mean_commute_min": 22.6,
    "density_per_sqmi": 694.9
  },
  "business": {
    "establishments": 609,
    "employees": 18701,
    "annual_payroll_thousands": 1094278
  },
  "tax": {
    "irs_returns": 12610,
    "irs_agi_thousands": 669438
  },
  "area": {
    "land_sqmi": 38.522,
    "water_sqmi": 0.475
  },
  "nearest_zips": [
    {
      "zip": "61104",
      "miles": 4.4,
      "city": "Rockford",
      "state": "IL"
    },
    {
      "zip": "61108",
      "miles": 5.2,
      "city": "Rockford",
      "state": "IL"
    },
    {
      "zip": "61112",
      "miles": 5.4,
      "city": "Rockford",
      "state": "IL"
    },
    {
      "zip": "61016",
      "miles": 5.5,
      "city": "Cherry Valley",
      "state": "IL"
    },
    {
      "zip": "61105",
      "miles": 5.9,
      "city": "Rockford",
      "state": "IL"
    },
    {
      "zip": "61020",
      "miles": 6,
      "city": "Davis Junction",
      "state": "IL"
    },
    {
      "zip": "61102",
      "miles": 6,
      "city": "Rockford",
      "state": "IL"
    },
    {
      "zip": "61052",
      "miles": 6.2,
      "city": "Monroe Center",
      "state": "IL"
    },
    {
      "zip": "61107",
      "miles": 7.1,
      "city": "Rockford",
      "state": "IL"
    },
    {
      "zip": "61084",
      "miles": 8.3,
      "city": "Stillman Valley",
      "state": "IL"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/61109",
    "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."
  }
}