McDonough County, IL Map
Official Census boundary of McDonough County, Illinois (FIPS 17109). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
Loading map…
McDonough County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
26,920
Households
11,856
Median household income
$52,795
Median age
34.9 years
Median home value
$107,500
Median gross rent
$761/mo
Owner-occupied homes
63.5%
Bachelor's degree or higher
31.4%
Below poverty level
17.2%
Land area
589.3 sq mi
Population density
46 / sq mi