In 2023, Clay City, IL had a population of 744 people with a median age of 40.7 and a median household income of $53,750. Between 2022 and 2023 the population of Clay City, IL declined from 883 to 744, a −15.7% decrease and its median household income grew from $51,583 to $53,750, a 4.2% increase.
The 5 largest ethnic groups in Clay City, IL are White (Non-Hispanic) (96.2%), Two+ (Non-Hispanic) (2.28%), Black or African American (Non-Hispanic) (1.21%), Other (Hispanic) (0.269%), and White (Hispanic) (0%).
None of the households in Clay City, 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.
98.8% of the residents in Clay City, IL are U.S. citizens.
In 2023, the median property value in Clay City, IL was $75,500, and the homeownership rate was 75.2%.
Most people in Clay City, IL drove alone to work, and the average commute time was 25.6 minutes. The average car ownership in Clay City, IL was 2 cars per household.