In 2023, Washington County, WI had a population of 137k people with a median age of 43.5 and a median household income of $95,851. Between 2022 and 2023 the population of Washington County, WI grew from 136,842 to 137,320, a 0.349% increase and its median household income grew from $91,915 to $95,851, a 4.28% increase.
The 5 largest ethnic groups in Washington County, WI are White (Non-Hispanic) (90.8%), Two+ (Non-Hispanic) (2.14%), Two+ (Hispanic) (1.61%), Asian (Non-Hispanic) (1.54%), and Black or African American (Non-Hispanic) (1.49%).
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.
98.8% of the residents in Washington County, WI are U.S. citizens.
In 2023, the median property value in Washington County, WI was $316,200, and the homeownership rate was 78.1%.
Most people in Washington County, WI drove alone to work, and the average commute time was 25.8 minutes. The average car ownership in Washington County, WI was 2 cars per household.
Washington County, WI borders Dodge County, WI, Fond du Lac County, WI, Milwaukee County, WI, Ozaukee County, WI, Sheboygan County, WI, and Waukesha County, WI.