In 2021, Marion, IL had a population of 17k people with a median age of 40.5 and a median household income of $46,515. Between 2020 and 2021 the population of Marion, IL declined from 17,539 to 16,960, a −3.3% decrease and its median household income grew from $44,929 to $46,515, a 3.53% increase.
The 5 largest ethnic groups in Marion, IL are White (Non-Hispanic) (85.8%), Black or African American (Non-Hispanic) (7.97%), Two+ (Non-Hispanic) (2.74%), Asian (Non-Hispanic) (1.72%), and White (Hispanic) (0.825%).
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.
99.1% of the residents in Marion, IL are U.S. citizens.
In 2021, the median property value in Marion, IL was $131,800, and the homeownership rate was 61.6%.
Most people in Marion, IL drove alone to work, and the average commute time was 23.6 minutes. The average car ownership in Marion, IL was 2 cars per household.