In 2021, Clay County, IL had a population of 13.3k people with a median age of 42.1 and a median household income of $53,900. Between 2020 and 2021 the population of Clay County, IL grew from 13,217 to 13,313, a 0.726% increase and its median household income grew from $52,167 to $53,900, a 3.32% increase.
The 5 largest ethnic groups in Clay County, IL are White (Non-Hispanic) (95.6%), Two+ (Non-Hispanic) (2.75%), American Indian & Alaska Native (Non-Hispanic) (0.706%), Black or African American (Non-Hispanic) (0.503%), and Other (Non-Hispanic) (0.143%).
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.
99.9% of the residents in Clay County, IL are U.S. citizens.
In 2021, the median property value in Clay County, IL was $93,700, and the homeownership rate was 77.7%.
Most people in Clay County, IL drove alone to work, and the average commute time was 23.8 minutes. The average car ownership in Clay County, IL was 2 cars per household.