In 2019, Shelby County, IL had a population of 21.7k people with a median age of 45.1 and a median household income of $52,953. Between 2018 and 2019 the population of Shelby County, IL declined from 21,832 to 21,737, a −0.435% decrease and its median household income grew from $51,157 to $52,953, a 3.51% increase.
The 5 largest ethnic groups in Shelby County, IL are White (Non-Hispanic) (97.2%), White (Hispanic) (1.03%), Black or African American (Non-Hispanic) (0.676%), Two+ (Non-Hispanic) (0.644%), and Asian (Non-Hispanic) (0.29%). 0% of the households in Shelby County, IL speak a non-English language at home as their primary language.
99.7% of the residents in Shelby County, IL are U.S. citizens.
In 2019, the median property value in Shelby County, IL was $96,500, and the homeownership rate was 81%. Most people in Shelby County, IL drove alone to work, and the average commute time was 23.5 minutes. The average car ownership in Shelby County, IL was 2 cars per household.