In 2021, Washington County, IL had a population of 13.8k people with a median age of 44.2 and a median household income of $67,030. Between 2020 and 2021 the population of Washington County, IL declined from 13,967 to 13,827, a −1% decrease and its median household income grew from $64,390 to $67,030, a 4.1% increase.
The 5 largest ethnic groups in Washington County, IL are White (Non-Hispanic) (95.8%), Two+ (Non-Hispanic) (1.32%), White (Hispanic) (0.984%), Asian (Non-Hispanic) (0.709%), and Black or African American (Non-Hispanic) (0.636%).
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.
99.6% of the residents in Washington County, IL are U.S. citizens.
In 2021, the median property value in Washington County, IL was $123,500, and the homeownership rate was 82.2%.
Most people in Washington County, IL drove alone to work, and the average commute time was 26.4 minutes. The average car ownership in Washington County, IL was 2 cars per household.
Washington County, IL borders Clinton County, IL, Jefferson County, IL, Marion County, IL, Perry County, IL, Randolph County, IL, and St. Clair County, IL.