Washington County, WI Map
Official Census boundary of Washington County, Wisconsin (FIPS 55131). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
Loading map…
Washington County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
137,879
Households
57,070
Median household income
$96,359
Median age
43.8 years
Median home value
$344,800
Median gross rent
$1,153/mo
Owner-occupied homes
78.1%
Bachelor's degree or higher
35.2%
Below poverty level
5.8%
Land area
430.6 sq mi
Population density
320 / sq mi