Miami County Post Offices

101 N Main St
Casstown, Ohio 45312

8 E Spring St
Covington, Ohio 45318

203 S Main St
Laura, Ohio 45337

110 Covington Ave
Ludlow Falls, Ohio 45339

220 N Wayne St
Piqua, Ohio 45356

102 N Main St
Pleasant Hill, Ohio 45359

2 W Cross St
Potsdam, Ohio 45361

520 N Hyatt St
Tipp City, Ohio 45371

305 S Market St Office
Troy, Ohio 45373

30 N Main St
West Milton, Ohio 45383

Miami County

There are 10 US Post Offices in Miami County serving a total of 97,655 residents equating to 9,766 residents per post office. It's estimated that approximately 155,868 packages are handled across the 10 county post offices annually. Miami County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 102,506. Its county seat is Troy. The county is named for an Indian word of disputed meaning. Miami County is part of the Dayton, OH Metropolitan Statistical Area.