Knox County, IL Map
Official Census boundary of Knox County, Illinois (FIPS 17095). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Knox County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
49,046
Households
20,972
Median household income
$57,030
Median age
42.6 years
Median home value
$111,900
Median gross rent
$788/mo
Owner-occupied homes
70.8%
Bachelor's degree or higher
21%
Below poverty level
14.6%
Land area
716.4 sq mi
Population density
68 / sq mi