In 2021, Washington, IL had a population of 16k people with a median age of 37.4 and a median household income of $79,384. Between 2020 and 2021 the population of Washington, IL declined from 16,555 to 16,008, a −3.3% decrease and its median household income grew from $78,608 to $79,384, a 0.987% increase.
The 5 largest ethnic groups in Washington, IL are White (Non-Hispanic) (94.4%), Two+ (Non-Hispanic) (1.27%), Asian (Non-Hispanic) (1.19%), Other (Hispanic) (1.08%), and White (Hispanic) (0.95%).
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.
99.1% of the residents in Washington, IL are U.S. citizens.
In 2021, the median property value in Washington, IL was $188,200, and the homeownership rate was 78.3%.
Most people in Washington, IL drove alone to work, and the average commute time was 20.1 minutes. The average car ownership in Washington, IL was 2 cars per household.