In 2020, LaSalle County, IL had a population of 109k people with a median age of 42.1 and a median household income of $60,069. Between 2019 and 2020 the population of LaSalle County, IL declined from 109,737 to 108,998, a −0.673% decrease and its median household income grew from $58,142 to $60,069, a 3.31% increase.
The 5 largest ethnic groups in LaSalle County, IL are White (Non-Hispanic) (85%), White (Hispanic) (6.38%), Black or African American (Non-Hispanic) (2.62%), Other (Hispanic) (2.54%), and Two+ (Non-Hispanic) (1.57%).
None of the households in LaSalle County, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
98.1% of the residents in LaSalle County, IL are U.S. citizens.
In 2020, the median property value in LaSalle County, IL was $130,600, and the homeownership rate was 72.3%. Most people in LaSalle County, IL drove alone to work, and the average commute time was 24.8 minutes. The average car ownership in LaSalle County, IL was 2 cars per household.