In 2021, Columbia, IL had a population of 11.1k people with a median age of 39.3 and a median household income of $102,107. Between 2020 and 2021 the population of Columbia, IL grew from 10,692 to 11,090, a 3.72% increase and its median household income declined from $107,500 to $102,107, a −5.02% decrease.
The 5 largest ethnic groups in Columbia, IL are White (Non-Hispanic) (95.5%), Two+ (Non-Hispanic) (1.15%), Asian (Non-Hispanic) (1.01%), White (Hispanic) (0.83%), and Other (Hispanic) (0.757%).
None of the households in Columbia, 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.
99.6% of the residents in Columbia, IL are U.S. citizens.
In 2021, the median property value in Columbia, IL was $238,800, and the homeownership rate was 82.7%.
Most people in Columbia, IL drove alone to work, and the average commute time was 25.2 minutes. The average car ownership in Columbia, IL was 2 cars per household.