Seneca County Post Offices

12125 W County Road 10
Alvada, Ohio 44802

7 S Main St
Attica, Ohio 44807

5755 W Tiffin St
Bascom, Ohio 44809

203 State St
Bettsville, Ohio 44815

10 S Marion St
Bloomville, Ohio 44818

15909 Jefferson St
Flat Rock, Ohio 44828

202 W Center St
Fostoria, Ohio 44830

108 S Broadway St
Green Springs, Ohio 44836

6047 Main St
Kansas, Ohio 44841

13 N Perry St
New Riegel, Ohio 44853

8064 Main St
Old Fort, Ohio 44861

300 Madison St
Republic, Ohio 44867

175 S Monroe St
Tiffin, Ohio 44883

Seneca County

There are 13 US Post Offices in Seneca County serving a total of 62,704 residents equating to 4,823 residents per post office. It's estimated that approximately 100,083 packages are handled across the 13 county post offices annually. Seneca County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 56,745. Its county seat is Tiffin. The county was created in 1820 and later organized in 1824. It is named for the Seneca Indians. Seneca County comprises the Tiffin, OH Micropolitan Statistical Area, which is also included in the Findlay-Tiffin, OH Combined Statistical Area."