| Capital: | Warren |
|---|---|
| Origen y Formación del condado: | Jefferson and Wayne Counties |
| Población: | 210,312 habitantes |
| Área: | 616 sq mi |
| Localización del condado dentro de Ohio: |
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Localidades en Trumbull, Ohio
- Bazetta Township Trumbull County
- Bloomfield Township Trumbull County
- Bolindale
- Braceville Township Trumbull County
- Bristolville
- Bristol Township Trumbull County
- Brookfield Center
- Brookfield Township Trumbull County
- Burghill
- Champion Heights
- Champion Township Trumbull County
- Churchill
- Cortland
- Farmdale
- Farmington Township Trumbull County
- Fowler
- Fowler Township Trumbull County
- Girard
- Greene Township Trumbull County
- Gustavus Township Trumbull County
- Hartford Township Trumbull County
- Hilltop
- Howland Center
- Howland Township Trumbull County
- Hubbard
- Hubbard Township Trumbull County
- Johnston Township Trumbull County
- Kinsman
- Kinsman Township Trumbull County
- Leavittsburg
- Liberty Township Trumbull County
- Lordstown
- Maplewood Park
- Masury
- Mcdonald
- Mecca Township Trumbull County
- Mesopotamia Township Trumbull County
- Mineral Ridge
- Newton Falls
- Newton Township Trumbull County
- Niles
- North Bloomfield
- Orangeville
- Southington
- Southington Township Trumbull County
- South Canal
- Vernon Township Trumbull County
- Vienna Center
- Vienna Township Trumbull County
- Warren
- Warren Township Trumbull County
- Weathersfield Township Trumbull County
- West Farmington
- West Hill
- Yankee Lake
- Youngstown