In 2020, Washington County, IL had a population of 14k people with a median age of 44.5 and a median household income of $64,390. Between 2019 and 2020 the population of Washington County, IL declined from 14,058 to 13,967, a −0.647% decrease and its median household income grew from $61,763 to $64,390, a 4.25% increase.
The 5 largest ethnic groups in Washington County, IL are White (Non-Hispanic) (96%), Two+ (Non-Hispanic) (0.959%), White (Hispanic) (0.809%), Asian (Non-Hispanic) (0.78%), and Black or African American (Non-Hispanic) (0.637%).
None of the households in Washington County, 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.
99.7% of the residents in Washington County, IL are U.S. citizens.
In 2020, the median property value in Washington County, IL was $117,400, and the homeownership rate was 78.9%.
Most people in Washington County, IL drove alone to work, and the average commute time was 25.6 minutes. The average car ownership in Washington County, IL was 2 cars per household.