In 2023, Clark County, IL had a population of 15.3k people with a median age of 42 and a median household income of $70,625. Between 2022 and 2023 the population of Clark County, IL declined from 15,467 to 15,328, a −0.899% decrease and its median household income grew from $65,874 to $70,625, a 7.21% increase.
The 5 largest ethnic groups in Clark County, IL are White (Non-Hispanic) (95.6%), Two+ (Non-Hispanic) (1.75%), Two+ (Hispanic) (1.22%), Black or African American (Non-Hispanic) (0.692%), and Other (Hispanic) (0.287%).
None of the households in Clark 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.
99.3% of the residents in Clark County, IL are U.S. citizens.
In 2023, the median property value in Clark County, IL was $123,100, and the homeownership rate was 81.7%.
Most people in Clark County, IL drove alone to work, and the average commute time was 25.7 minutes. The average car ownership in Clark County, IL was 2 cars per household.
Clark County, IL borders Coles County, IL, Crawford County, IL, Cumberland County, IL, Edgar County, IL, Jasper County, IL, Sullivan County, IN, and Vigo County, IN.