In 2020, Jersey County, IL had a population of 21.8k people with a median age of 43 and a median household income of $67,845. Between 2019 and 2020 the population of Jersey County, IL declined from 21,937 to 21,776, a −0.734% decrease and its median household income grew from $63,028 to $67,845, a 7.64% increase.
The 5 largest ethnic groups in Jersey County, IL are White (Non-Hispanic) (95.5%), Two+ (Non-Hispanic) (2.18%), White (Hispanic) (0.882%), Two+ (Hispanic) (0.455%), and Black or African American (Non-Hispanic) (0.45%).
None of the households in Jersey 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.
99.5% of the residents in Jersey County, IL are U.S. citizens.
The largest universities in Jersey County, IL are Principia College (124 degrees awarded in 2020).
In 2020, the median property value in Jersey County, IL was $148,800, and the homeownership rate was 82.1%.
Most people in Jersey County, IL drove alone to work, and the average commute time was 26.5 minutes. The average car ownership in Jersey County, IL was 2 cars per household.