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.
Shelby County, IL borders Christian County, IL, Coles County, IL, Cumberland County, IL, Effingham County, IL, Fayette County, IL, Macon County, IL, Montgomery County, IL, and Moultrie County, IL.