In 2021, Randolph County, IL had a population of 30.6k people with a median age of 41.9 and a median household income of $58,093. Between 2020 and 2021 the population of Randolph County, IL declined from 31,973 to 30,632, a −4.19% decrease and its median household income grew from $55,319 to $58,093, a 5.01% increase.
The 5 largest ethnic groups in Randolph County, IL are White (Non-Hispanic) (84.2%), Black or African American (Non-Hispanic) (10.6%), White (Hispanic) (1.5%), Other (Hispanic) (1.21%), and Two+ (Non-Hispanic) (0.97%).
None of the households in Randolph 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.
98.3% of the residents in Randolph County, IL are U.S. citizens.
In 2021, the median property value in Randolph County, IL was $114,400, and the homeownership rate was 74.3%.
Most people in Randolph County, IL drove alone to work, and the average commute time was 25.8 minutes. The average car ownership in Randolph County, IL was 2 cars per household.
Randolph County, IL borders Jackson County, IL, Monroe County, IL, Perry County, IL, St. Clair County, IL, Washington County, IL, Perry County, MO, and Ste. Genevieve County, MO.