In 2023, Illiopolis, IL had a population of 854 people with a median age of 45.5 and a median household income of $74,219. Between 2022 and 2023 the population of Illiopolis, IL grew from 822 to 854, a 3.89% increase and its median household income declined from $77,292 to $74,219, a −3.98% decrease.
The 5 largest ethnic groups in Illiopolis, IL are White (Non-Hispanic) (93.6%), Two+ (Non-Hispanic) (2.93%), Black or African American (Non-Hispanic) (2.22%), Two+ (Hispanic) (0.703%), and Asian (Non-Hispanic) (0.585%).
None of the households in Illiopolis, 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.
99.4% of the residents in Illiopolis, IL are U.S. citizens.
In 2023, the median property value in Illiopolis, IL was $96,500, and the homeownership rate was 80.1%.
Most people in Illiopolis, IL drove alone to work, and the average commute time was 23.9 minutes. The average car ownership in Illiopolis, IL was 2 cars per household.