Washtenaw County's estimated 2025 population is 363,600 with a growth rate of -0.27% in the past year according to the most recent United States census data. Washtenaw County is the 6th largest county in Michigan. The 2010 population was 345,980 and has seen a growth of 5.09% since that time.
Data after 2023 is projected based on recent change
The racial composition of Washtenaw County includes 69.95% White, 11.61% Black or African American, 8.86% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 257,686 | 69.95% |
| Black or African American | 42,757 | 11.61% |
| Asian | 32,637 | 8.86% |
| Two or more races | 28,375 | 7.7% |
| Other race | 5,835 | 1.58% |
| Native American | 992 | 0.27% |
| Native Hawaiian or Pacific Islander | 112 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
Washtenaw County's average per capita income is $57,977. Household income levels show a median of $87,156. The poverty rate stands at 13.84%.
Name | Median | Mean |
|---|---|---|
| Married Families | $141,894 | $182,747 |
| Families | $122,207 | $160,728 |
| Households | $87,156 | $122,847 |
| Non Families | $51,659 | $71,124 |
Average Income
Median Household Income
Poverty Rate
