{
  "zip": "60549",
  "type": "standard",
  "type_source": "inferred",
  "city": "Serena",
  "other_place_names": [],
  "state": "IL",
  "state_name": "Illinois",
  "county": {
    "fips": "17099",
    "name": "LaSalle County",
    "short_name": "LaSalle"
  },
  "counties": [
    {
      "county_fips": "17099",
      "name": "LaSalle County",
      "short_name": "LaSalle",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 41.502537,
    "lng": -88.739635,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "36837",
    "name": "Ottawa, IL",
    "type": "micro",
    "csa_code": "176",
    "csa_name": "Chicago-Naperville, IL-IN-WI"
  },
  "demographics": {
    "population": 784,
    "households": 254,
    "housing_units": 280,
    "median_age": 36.5,
    "median_household_income": 108417,
    "median_home_value": 305500,
    "median_rent": 1069,
    "pct_bachelors_plus": 26.9,
    "mean_commute_min": 40.8,
    "density_per_sqmi": 33
  },
  "business": {
    "establishments": 11,
    "employees": 39,
    "annual_payroll_thousands": 3404
  },
  "tax": {
    "irs_returns": 350,
    "irs_agi_thousands": 32286
  },
  "area": {
    "land_sqmi": 23.761,
    "water_sqmi": 0.176
  },
  "nearest_zips": [
    {
      "zip": "60551",
      "miles": 3.1,
      "city": "Sheridan",
      "state": "IL"
    },
    {
      "zip": "60557",
      "miles": 4.2,
      "city": "Wedron",
      "state": "IL"
    },
    {
      "zip": "60537",
      "miles": 8.1,
      "city": "Millington",
      "state": "IL"
    },
    {
      "zip": "60531",
      "miles": 8.4,
      "city": "Leland",
      "state": "IL"
    },
    {
      "zip": "61341",
      "miles": 10.7,
      "city": "Marseilles",
      "state": "IL"
    },
    {
      "zip": "60541",
      "miles": 10.7,
      "city": "Newark",
      "state": "IL"
    },
    {
      "zip": "61350",
      "miles": 11.1,
      "city": "Ottawa",
      "state": "IL"
    },
    {
      "zip": "60518",
      "miles": 11.4,
      "city": "Earlville",
      "state": "IL"
    },
    {
      "zip": "60548",
      "miles": 11.5,
      "city": "Sandwich",
      "state": "IL"
    },
    {
      "zip": "60552",
      "miles": 11.5,
      "city": "Somonauk",
      "state": "IL"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/60549",
    "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."
  }
}