In 2023, Marion, IL had a population of 16.8k people with a median age of 40.4 and a median household income of $57,281. Between 2022 and 2023 the population of Marion, IL declined from 16,867 to 16,796, a −0.421% decrease and its median household income grew from $54,052 to $57,281, a 5.97% increase.
The 5 largest ethnic groups in Marion, IL are White (Non-Hispanic) (85.1%), Black or African American (Non-Hispanic) (5.13%), Two+ (Non-Hispanic) (2.91%), Asian (Non-Hispanic) (2.77%), and Two+ (Hispanic) (2.13%).
None of the households in Marion, 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.
98.4% of the residents in Marion, IL are U.S. citizens.
In 2023, the median property value in Marion, IL was $145,300, and the homeownership rate was 62.2%.
Most people in Marion, IL drove alone to work, and the average commute time was 21.9 minutes. The average car ownership in Marion, IL was 2 cars per household.