| County Map: Map of Guernsey County. |
| Guernsey County Connections: Includes county profile and services, educational and government websites, parks and recreation, health facilities, and places to visit. |
| Guernsey County Extension Office: Branch office of Ohio State University, it combines the needs of local citizens and communities, with new research and technical information. |
| Guernsey County Fair: Includes schedule and information about the fair in Old Washington. Events include harness racing, truck and tractor pulls, exhibits, live entertainment and midway. |
| Guernsey County Ohio: Provides a brief look at the history and county events. |
| Guernsey County Profile: Provides demographic, business, and agriculture profiles. |
| Guernsey County Recreational Facilities: Provides a list of Ohio Department of Natural Resources wildlife and recreational areas in the county. |
| Guernsey County, Ohio - U.S. Census Bureau: Provides population, demographic, and housing information. |
| Profile for Guernsey County: Information on the political infrastructure of the county. |
| The Political Graveyard: Guernsey County, Ohio: Site contains information on the political history of Guernsey County, cemeteries and memorial sites in the county. |
| Water Resources of Guernsey County: Factsheet providing information on water resources and drinking-water quality in the county. |
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