Winnebago County, IL Map
Official Census boundary of Winnebago County, Illinois (FIPS 17201). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Winnebago County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
283,292
Households
116,014
Median household income
$65,837
Median age
39.6 years
Median home value
$164,500
Median gross rent
$1,021/mo
Owner-occupied homes
65.9%
Bachelor's degree or higher
25.2%
Below poverty level
15.6%
Land area
513 sq mi
Population density
552 / sq mi