In 2020, Lee County, IL had a population of 34.2k people with a median age of 43.5 and a median household income of $59,986. Between 2019 and 2020 the population of Lee County, IL declined from 34,389 to 34,204, a −0.538% decrease and its median household income grew from $58,194 to $59,986, a 3.08% increase.
The 5 largest ethnic groups in Lee County, IL are White (Non-Hispanic) (85.9%), Black or African American (Non-Hispanic) (5.32%), White (Hispanic) (3.87%), Two+ (Hispanic) (1.51%), and Two+ (Non-Hispanic) (1.39%).
None of the households in Lee 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.
98.6% of the residents in Lee County, IL are U.S. citizens.
The largest universities in Lee County, IL are Sauk Valley Community College (651 degrees awarded in 2020).
In 2020, the median property value in Lee County, IL was $122,600, and the homeownership rate was 69.6%. Most people in Lee County, IL drove alone to work, and the average commute time was 24.1 minutes. The average car ownership in Lee County, IL was 2 cars per household.