Washtenaw County, Michigan ZIP codes
19 ZIP codes are in Washtenaw County, plus 13 that cross in from neighboring counties. It's part of the Ann Arbor, MI metro area.
- ZIP codes
- 19
- Population in these ZIPs
- 355,280
- Avg. median income
- $87,600population-weighted
- Cities & towns
- 11
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Washtenaw County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 48103 | Ann Arbor | 55,054 | $116,194 | $516,900 |
| 48104 | Ann Arbor | 43,979 | $64,231 | $562,700 |
| 48105 | Ann Arbor | 37,048 | $94,774 | $545,000 |
| 48106 PO Box | Ann Arbor | — | — | — |
| 48107 PO Box | Ann Arbor | — | — | — |
| 48108 | Ann Arbor | 27,666 | $89,355 | $434,100 |
| 48109 | Ann Arbor | 5,939 | $14,093 | — |
| 48113 PO Box | Ann Arbor | — | — | — |
| 48115 PO Box | Bridgewater | — | — | — |
| 48118 | Chelsea | 13,246 | $88,278 | $413,800 |
| 48130 | Dexter | 16,986 | $129,254 | $508,400 |
| 48158 | Manchester | 7,770 | $94,784 | $373,500 |
| 48175 PO Box | Salem | — | — | — |
| 48176 | Saline | 23,451 | $114,206 | $464,800 |
| 48189 | Whitmore Lake | 13,893 | $87,145 | $359,800 |
| 48190 | Whittaker | 76 | $76,875 | $231,400 |
| 48191 | Willis | 4,403 | $102,833 | $302,000 |
| 48197 | Ypsilanti | 66,525 | $73,737 | $342,300 |
| 48198 | Ypsilanti | 39,244 | $63,326 | $222,600 |
ZIP codes partly in Washtenaw County
These ZIP codes are mostly in a neighboring county but cover part of Washtenaw County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 48111 | Belleville | Wayne County | 44,709 | $76,595 | $307,200 |
| 48137 | Gregory | Livingston County | 4,157 | $78,973 | $362,100 |
| 48160 | Milan | Monroe County | 13,972 | $103,453 | $308,300 |
| 48167 | Northville | Oakland County | 24,713 | $124,630 | $492,000 |
| 48168 | Northville | Wayne County | 25,038 | $187,589 | $652,400 |
| 48169 | Pinckney | Livingston County | 20,519 | $109,329 | $406,100 |
| 48170 | Plymouth | Wayne County | 40,076 | $114,278 | $475,100 |
| 48178 | South Lyon | Oakland County | 37,789 | $131,558 | $473,000 |
| 49229 | Britton | Lenawee County | 3,540 | $94,950 | $285,900 |
| 49236 | Clinton | Lenawee County | 5,026 | $79,783 | $277,000 |
| 49240 | Grass Lake | Jackson County | 8,863 | $99,681 | $343,700 |
| 49285 | Stockbridge | Ingham County | 6,240 | $73,375 | $293,700 |
| 49287 | Tipton | Lenawee County | 1,958 | $88,068 | $310,000 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Washtenaw County
Nearby counties
Frequently asked questions
How many ZIP codes are in Washtenaw County, Michigan?
19 ZIP codes are mainly in Washtenaw County, and 13 more ZIP codes from neighboring areas reach partly into it.
What cities are in Washtenaw County?
ZIP codes in Washtenaw County use the city names Ann Arbor, Bridgewater, Chelsea, Dexter, Manchester, Salem, Saline, Whitmore Lake, Whittaker, Willis and Ypsilanti.
What metro area is Washtenaw County in?
Washtenaw County is part of the Ann Arbor, MI metropolitan statistical area.