Peoria County, IL Map
Official Census boundary of Peoria County, Illinois (FIPS 17143). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Peoria County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
179,645
Households
77,755
Median household income
$65,108
Median age
38.1 years
Median home value
$158,500
Median gross rent
$993/mo
Owner-occupied homes
67%
Bachelor's degree or higher
34.9%
Below poverty level
15.7%
Land area
618.7 sq mi
Population density
290 / sq mi