In 2018, Knox County, IL had a population of 51k people with a median age of 42.1 and a median household income of $43,709. Between 2017 and 2018 the population of Knox County, IL declined from 51,374 to 50,999, a -0.73% decrease and its median household income grew from $41,972 to $43,709, a 4.14% increase.
The 5 largest ethnic groups in Knox County, IL are White (Non-Hispanic) (83%), Black or African American (Non-Hispanic) (8.53%), White (Hispanic) (2.94%), Other (Hispanic) (1.67%), and Two+ (Non-Hispanic) (1.54%). NaNk% of the people in Knox County, IL speak a non-English language, and 97.7% are U.S. citizens.
The median property value in Knox County, IL is $83,100, and the homeownership rate is 65.4%. Most people in Knox County, IL commute by Drove Alone, and the average commute time is 17.5 minutes. The average car ownership in Knox County, IL is 2 cars per household.