Barbara A Swain (Postmaster)
barbara.a.swain@usps.gov
1101 S Main St Ste 100
Chelsea, MI 48118
Chelsea, MI 48118
The Chelsea Post Office is located in the state of Michigan within Washtenaw County. This location serves 12,552 Chelsea residents with a median income of $67,943. It's estimated that approximately 20,034 packages pass through this post office each year.