Putnam County, Ohio
Putnam County, Ohio | |
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Putnam County Courthouse | |
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Flag Seal | |
Location within the U.S. state of Ohio | |
| Coordinates: 41°01′N 84°08′W / 41.02°N 84.13°W | |
| Country | United States |
| State | Ohio |
| Founded | January 3, 1834 |
| Named after | Israel Putnam |
| Seat | Ottawa |
| Largest village | Ottawa |
| Area | |
• Total | 484 sq mi (1,250 km2) |
| • Land | 483 sq mi (1,250 km2) |
| • Water | 1.8 sq mi (4.7 km2) 0.4% |
| Population (2020) | |
• Total | 34,451 |
| • Density | 71/sq mi (27/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional district | 5th |
| Website | www |
Putnam County is a county located in the northwestern part of the U.S. state of Ohio. As of the 2020 United States census, the population was 34,451. Its county seat is Ottawa. The county was created in 1820 and later organized in 1834. Its name is in honor of Israel Putnam, a colonial officer in the French and Indian War, who served as a general in the American Revolutionary War. The Blanchard River, which passes through the county, was a key transportation route for early European-American settlers.