| Capital: | Marietta |
|---|---|
| Origen y Formación del condado: | One of the original counties |
| Población: | 61,778 habitantes |
| Área: | 635 sq mi |
| Localización del condado dentro de Ohio: |
|
Localidades en Washington, Ohio
- Adams Township Washington County
- Aurelius Township Washington County
- Barlow
- Barlow Township Washington County
- Bartlett
- Belpre
- Belpre Township Washington County
- Beverly
- Coal Run
- Cutler
- Decatur Township Washington County
- Devola
- Dunham Township Washington County
- Fairfield Township Washington County
- Fearing Township Washington County
- Fleming
- Germantown Washington County
- Grandview Township Washington County
- Independence Township Washington County
- Lawrence Township Washington County
- Liberty Township Washington County
- Little Hocking
- Lowell
- Lower Salem
- Ludlow Township Washington County
- Macksburg
- Marietta
- Marietta Township Washington County
- Matamoras
- Muskingum Township Washington County
- Newport
- Newport Township Washington County
- Palmer Township Washington County
- Salem Township Washington County
- Warren Township Washington County
- Waterford Township Washington County
- Watertown
- Watertown Township Washington County
- Wesley Township Washington County
- Whipple
- Wingett Run