In 2019, LaSalle County, IL had a population of 110k people with a median age of 41.9 and a median household income of $58,142. Between 2018 and 2019 the population of LaSalle County, IL declined from 110,401 to 109,737, a −0.601% decrease and its median household income grew from $56,243 to $58,142, a 3.38% increase.
The 5 largest ethnic groups in LaSalle County, IL are White (Non-Hispanic) (85.4%), White (Hispanic) (7.11%), Black or African American (Non-Hispanic) (2.58%), Other (Hispanic) (2.17%), and Two+ (Non-Hispanic) (1.45%). 0% of the households in LaSalle County, IL speak a non-English language at home as their primary language.
98.1% of the residents in LaSalle County, IL are U.S. citizens.
In 2019, the median property value in LaSalle County, IL was $127,200, and the homeownership rate was 71.8%. Most people in LaSalle County, IL drove alone to work, and the average commute time was 22.6 minutes. The average car ownership in LaSalle County, IL was 2 cars per household.