In 2017, Jersey County, IL had a population of 22.2k people with a median age of 42.5 and a median household income of $56,320. Between 2016 and 2017 the population of Jersey County, IL declined from 22,441 to 22,215, a -1.01% decrease and its median household income grew from $52,738 to $56,320, a 6.79% increase.
The 5 largest ethnic groups in Jersey County, IL are White (Non-Hispanic) (96.1%), Two or More Races (Non-Hispanic) (1.54%), White (Hispanic) (0.77%), Black or African American (Non-Hispanic) (0.464%), and Asian (Non-Hispanic) (0.396%). N/A% of the people in Jersey County, IL speak a non-English language, and 99.2% are U.S. citizens.
The largest universities in Jersey County, IL are Principia College (144 degrees awarded in 2017).
The median property value in Jersey County, IL is $135,400, and the homeownership rate is 81.3%. Most people in Jersey County, IL commute by Drove Alone, and the average commute time is 27.5 minutes. The average car ownership in Jersey County, IL is 2 cars per household.