| Capital: | Cambridge |
|---|---|
| Origen y Formación del condado: | Belmont and Muskingum Counties |
| Población: | 40,087 habitantes |
| Área: | 521 sq mi |
| Localización del condado dentro de Ohio: |
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Localidades en Guernsey, Ohio
- Adams Township Guernsey County
- Buffalo
- Byesville
- Cambridge
- Cambridge Township Guernsey County
- Center Township Guernsey County
- Cumberland
- Derwent
- Fairview
- Jackson Township Guernsey County
- Jefferson Township Guernsey County
- Kimbolton
- Kipling
- Knox Township Guernsey County
- Liberty Township Guernsey County
- Londonderry Township Guernsey County
- Lore City
- Madison Township Guernsey County
- Millwood Township Guernsey County
- Monroe Township Guernsey County
- Old Washington
- Pleasant City
- Quaker City
- Richland Township Guernsey County
- Salesville
- Senecaville
- Spencer Township Guernsey County
- Valley Township Guernsey County
- Washington Township Guernsey County
- Westland Township Guernsey County
- Wheeling Township Guernsey County
- Wills Township Guernsey County