Seneca County, Ohio

county in Ohio, United States

Seneca County is a county in the U.S. state of Ohio. In 2020, 55,069 people lived there.[1] The county seat is Tiffin. It is named for the Seneca Indians.

Seneca County
Map of Seneca County, Ohio With Municipal and Township Labels
Map of Seneca County, Ohio With Municipal and Township Labels
Official seal of Seneca County
Map of Ohio highlighting Seneca County
Location within the U.S. state of Ohio
Map of the United States highlighting Ohio
Ohio's location within the U.S.
Coordinates: 41°08′N 83°08′W / 41.13°N 83.13°W / 41.13; -83.13
Country United States
State Ohio
FoundedApril 1, 1824
Named forthe Seneca nation
SeatTiffin
Largest cityTiffin
Area
 • Total553 sq mi (1,430 km2)
 • Land551 sq mi (1,430 km2)
 • Water1.8 sq mi (5 km2)  0.3%
Population
 (2020)
 • Total55,069
 • Density100/sq mi (38/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district5th
Websitesenecacountyohio.gov

References

change
  1. "QuickFacts: Seneca County, Ohio". United States Census Bureau. Retrieved January 18, 2024.