In 2023, Washington, IL had a population of 15.9k people with a median age of 37.3 and a median household income of $91,360. Between 2022 and 2023 the population of Washington, IL declined from 15,988 to 15,946, a −0.263% decrease and its median household income grew from $87,104 to $91,360, a 4.89% increase.
The 5 largest ethnic groups in Washington, IL are White (Non-Hispanic) (93.6%), White (Hispanic) (1.87%), Two+ (Non-Hispanic) (1.86%), Asian (Non-Hispanic) (1.23%), and Two+ (Hispanic) (0.583%).
None of the households in Washington, 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.
99.4% of the residents in Washington, IL are U.S. citizens.
In 2023, the median property value in Washington, IL was $216,700, and the homeownership rate was 80%.
Most people in Washington, IL drove alone to work, and the average commute time was 20.2 minutes. The average car ownership in Washington, IL was 2 cars per household.