In 2020, Washington County, WI had a population of 136k people with a median age of 43.2 and a median household income of $80,839. Between 2019 and 2020 the population of Washington County, WI grew from 134,925 to 135,529, a 0.448% increase and its median household income grew from $77,663 to $80,839, a 4.09% increase.
The 5 largest ethnic groups in Washington County, WI are White (Non-Hispanic) (92.5%), White (Hispanic) (1.67%), Asian (Non-Hispanic) (1.38%), Black or African American (Non-Hispanic) (1.32%), and Two+ (Non-Hispanic) (1.3%).
None of the households in Washington County, WI 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% of the residents in Washington County, WI are U.S. citizens.
In 2020, the median property value in Washington County, WI was $248,000, and the homeownership rate was 77.1%. Most people in Washington County, WI drove alone to work, and the average commute time was 24.7 minutes. The average car ownership in Washington County, WI was 2 cars per household.