In 2017, Lee County, IL had a population of 34.7k people with a median age of 42.7 and a median household income of $58,319. Between 2016 and 2017 the population of Lee County, IL declined from 34,718 to 34,670, a -0.138% decrease and its median household income grew from $55,067 to $58,319, a 5.91% increase.
The 5 largest ethnic groups in Lee County, IL are White (Non-Hispanic) (86.7%), Black or African American (Non-Hispanic) (5.17%), White (Hispanic) (4.1%), Two or More Races (Non-Hispanic) (1.09%), and Some Other Race (Hispanic) (1.08%). N/A% of the people in Lee County, IL speak a non-English language, and 98.4% are U.S. citizens.
The largest universities in Lee County, IL are Sauk Valley Community College (666 degrees awarded in 2017).
The median property value in Lee County, IL is $116,500, and the homeownership rate is 73.8%. Most people in Lee County, IL commute by Drove Alone, and the average commute time is 20.6 minutes. The average car ownership in Lee County, IL is 2 cars per household.