LaSalle County, IL Map
Official Census boundary of LaSalle County, Illinois (FIPS 17099). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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LaSalle County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
108,714
Households
45,373
Median household income
$73,045
Median age
42.2 years
Median home value
$161,900
Median gross rent
$928/mo
Owner-occupied homes
74.4%
Bachelor's degree or higher
20.5%
Below poverty level
13.9%
Land area
1,135.1 sq mi
Population density
96 / sq mi