Trumbull County, Ohio
Trumbull County, Ohio | |
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Trumbull County Courthouse | |
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Flag Seal | |
Location within the U.S. state of Ohio | |
| Coordinates: 41°19′N 80°46′W / 41.32°N 80.76°W | |
| Country | United States |
| State | Ohio |
| Founded | July 10, 1800 |
| Named after | Jonathan Trumbull |
| Seat | Warren |
| Largest city | Warren |
| Area | |
• Total | 637 sq mi (1,650 km2) |
| • Land | 618 sq mi (1,600 km2) |
| • Water | 18 sq mi (47 km2) 2.9% |
| Population (2020) | |
• Total | 201,977 |
• Estimate (2024) | 200,300 |
| • Density | 324/sq mi (125/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional district | 14th |
| Website | www |
Trumbull County is located in the far northeast portion of the U.S. state of Ohio. As of the 2020 census, the population was 201,977. Its county seat and largest city is Warren, which developed industry along the Mahoning River. Trumbull County is part of the Youngstown–Warren, OH Metropolitan Statistical Area.