There are 14 zip codes in Washtenaw County, Michigan. The most populated is 48197, located in Ypsilanti. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4819766,422Ypsilanti
4810354,563Ann Arbor
4810445,161Ann Arbor
4819839,867Ypsilanti
4810537,598Ann Arbor
4810826,888Ann Arbor
4817623,240Saline
4813016,731Dexter
4818913,718Whitmore Lake
4811813,001Chelsea
481587,883Manchester
481095,773Ann Arbor
481914,059Willis
48190187Whittaker

Zip Codes in Washtenaw County, Michigan by Population (2024)