{
  "publisher": "ZipNumbers",
  "license": "CC BY 4.0",
  "zip": "60553",
  "city": null,
  "state": null,
  "state_slug": "illinois",
  "county": "Lee County",
  "county_fips": "17103",
  "demographics": {
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    "median_household_income": 110938,
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    "median_age": 39.9,
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    "owner_occupied_pct": 86.1,
    "vintage": "2019-2023 ACS 5-year",
    "source": "US Census Bureau, ACS 2019-2023 5-year estimates",
    "source_url": "https://www.census.gov/programs-surveys/acs"
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    "sales_tax": null
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}