Mercer County Post Offices

25 W Main St
Burkettsville, Ohio 45310

201 N Main St
Celina, Ohio 45822

101 E Main St
Coldwater, Ohio 45828

206 Saint Clair St
Fort Recovery, Ohio 45846

8629 State Route 119
Maria Stein, Ohio 45860

113 N Main St
Mendon, Ohio 45862

99 W Main St
Montezuma, Ohio 45866

101 S Main St
Rockford, Ohio 45882

301 E Main St
Saint Henry, Ohio 45883

Mercer County

There are 9 US Post Offices in Mercer County serving a total of 40,603 residents equating to 4,511 residents per post office. It's estimated that approximately 64,807 packages are handled across the 9 county post offices annually. Mercer County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 40,814. Its county seat is Celina. The county was created in 1820 and later organized in 1824. It is named for Hugh Mercer, an officer in the American Revolutionary War. Mercer County comprises the Celina, OH Micropolitan Statistical Area, which is also included in the Lima-Van Wert-Celina, OH Combined Statistical Area."