In 2023, Union, IL had a population of 753 people with a median age of 38.1 and a median household income of $100,104. Between 2022 and 2023 the population of Union, IL grew from 568 to 753, a 32.6% increase and its median household income declined from $108,563 to $100,104, a −7.79% decrease.
The 5 largest ethnic groups in Union, IL are White (Non-Hispanic) (90.3%), Asian (Non-Hispanic) (5.58%), White (Hispanic) (1.46%), Other (Hispanic) (1.46%), and Two+ (Non-Hispanic) (0.531%).
None of the households in Union, 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.
94.7% of the residents in Union, IL are U.S. citizens.
In 2023, the median property value in Union, IL was $224,600, and the homeownership rate was 89.6%.
Most people in Union, IL drove alone to work, and the average commute time was 30.8 minutes. The average car ownership in Union, IL was 2 cars per household.