Bay County Post Offices

951 W Midland Rd
Auburn, Michigan 48611

1000 Washington Ave
Bay City, Michigan 48708

1205 Woodside Ave
Essexville, Michigan 48732

121 W Grove St
Kawkawlin, Michigan 48631

200 W Center St
Linwood, Michigan 48634

11 E Munger Rd
Munger, Michigan 48747

207 S Kaiser St
Pinconning, Michigan 48650

300 E John St
Bay City, Michigan 48706

Bay County

There are 8 US Post Offices in Bay County serving a total of 103,656 residents equating to 12,957 residents per post office. It's estimated that approximately 165,447 packages are handled across the 8 county post offices annually. Bay County is a county in the U.S. state of Michigan. As of the 2010 census, the population was 107,771. The county seat is Bay City. Bay County comprises the Bay City, MI Metropolitan Statistical Area, which is included in the Saginaw-Midland-Bay City, MI Combined Statistical Area. It is also considered to be part of the Mid Michigan region."