Washtenaw County, Michigan

Washtenaw County, Michigan, had an estimated population of 370,214 in 2025 across 1,829 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Michigan's counties and nationally.

Population
370,214
2025 estimate
Area
1,829 km²
Density
202
per km²
Median income
$89,180
household, ACS 2024
Median age
35
years, ACS 2024
How Michigan's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202494.1%
Median Gross Rent2024$1,463
Median Home Value2024$374,100
Owner-Occupied Homes202461.6%
Vacant Homes20245.8%
Demography
IndicatorValue
Aged 65 and Over202415.7%
American Indian & Alaska Native20240.2%
Asian, non-Hispanic20249.2%
Average Household Size2024people2.3
Black, non-Hispanic202411.3%
Foreign-Born202413.1%
Hispanic or Latino20245.8%
Median Age2024years35
Sex Ratio2024per 1,000 males1,005
Speak a Language Other Than English202415.7%
Under 18202418.2%
Veterans20244.0%
White, non-Hispanic202467.2%
Economy
IndicatorValue
Below Poverty Line202414.2%
Households on SNAP20248.5%
Income Inequality2024index0.487
Median Household Income2024$89,180
Per Capita Income2024$52,714
Unemployment Rate20244.6%
Education
IndicatorValue
Bachelor's Degree or Higher202458.7%
High School or Higher202496.0%
Health Coverage
IndicatorValue
No Health Insurance20243.3%
With a Disability202410.6%
Population & Density
IndicatorValue
Population2025370,214
Population Density2025/km²202
Work & Commute
IndicatorValue
Commute by Public Transit20243.7%
Households with No Vehicle20248.2%
Mean Commute Time2024minutes23.5
Work from Home202422.6%
Compare Washtenaw County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.