In 2022, Clay County, IL had a population of 13.2k people with a median age of 41.8 and a median household income of $58,028. Between 2021 and 2022 the population of Clay County, IL declined from 13,313 to 13,248, a −0.488% decrease and its median household income grew from $53,900 to $58,028, a 7.66% increase.
The 5 largest ethnic groups in Clay County, IL are White (Non-Hispanic) (95.3%), Two+ (Non-Hispanic) (2.97%), American Indian & Alaska Native (Non-Hispanic) (0.551%), Black or African American (Non-Hispanic) (0.46%), and Asian (Non-Hispanic) (0.317%).
None of the households in Clay 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.
99.8% of the residents in Clay County, IL are U.S. citizens.
In 2022, the median property value in Clay County, IL was $103,600, and the homeownership rate was 76.7%.
Most people in Clay County, IL drove alone to work, and the average commute time was 24 minutes. The average car ownership in Clay County, IL was 2 cars per household.
Clay County, IL borders Effingham County, IL, Fayette County, IL, Jasper County, IL, Marion County, IL, Richland County, IL, and Wayne County, IL.