County · Michigan · United States
Washtenaw County ZIP codes
14 ZIP codes · 9 cities · FIPS 26161
Key facts
- State
- Michigan (MI)
- FIPS code
- 26161
- Population
- 368,394
- Median household income
- $87,156
- Median age
- 34.8
- Land area
- 706 sq mi (1,828.5 km²)
- Population density
- 522 / sq mi
- Area codes
- 734
Cities and ZIP codes in Washtenaw County (9)
| City | ZIP codes |
|---|---|
| Ann Arbor | 48103, 48104, 48105, 48108, 48109 |
| Ypsilanti | 48197, 48198 |
| Chelsea | 48118 |
| Dexter | 48130 |
| Manchester | 48158 |
| Saline | 48176 |
| Whitmore Lake | 48189 |
| Whittaker | 48190 |
| Willis | 48191 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.