Total Population in Washtenaw County, MI
ACS 2024 5-Year Estimates
How Washtenaw County Compares
National Distribution
Where Washtenaw County falls among all 3,222 U.S. counties for total population.
■ Washtenaw County: 369,822
Ranking Context
| Rank | County | Value |
|---|---|---|
| #201 | Orleans Parish, LA | 371,853 |
| #202 | Davis County, UT | 370,924 |
| #203 | Anoka County, MN | 370,349 |
| #204 | Washtenaw County, MI | 369,822 |
| #205 | Larimer County, CO | 367,368 |
| #206 | Hamilton County, IN | 365,056 |
| #207 | Rutherford County, TN | 360,646 |
Total Population in Washtenaw County, Michigan
Washtenaw County, Michigan has a total population of 369,822, which ranks #204 of 3,222 out of 3,222 counties nationwide. This is 99.9% below the national value of 330M.
Within Michigan, Washtenaw County ranks #6 of 83 out of 83 counties. This places it in the 94th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.