In 2019, Union, IL had a population of 634 people with a median age of 31 and a median household income of $67,083. Between 2018 and 2019 the population of Union, IL grew from 509 to 634, a 24.6% increase and its median household income grew from $64,063 to $67,083, a 4.71% increase.
The 5 largest ethnic groups in Union, IL are White (Non-Hispanic) (83.9%), White (Hispanic) (8.2%), Asian (Non-Hispanic) (6.31%), Other (Hispanic) (1.1%), and Black or African American (Hispanic) (0.473%). 0% of the households in Union, IL speak a non-English language at home as their primary language.
97.8% of the residents in Union, IL are U.S. citizens.
In 2019, the median property value in Union, IL was $162,500, and the homeownership rate was 74.2%. Most people in Union, IL drove alone to work, and the average commute time was 26.4 minutes. The average car ownership in Union, IL was 2 cars per household.