| Champaign County: Providing history, government, and community information. |
| Champaign County Connections: Includes county profile and services, educational and government websites, parks and recreation, health facilities, and places to visit. |
| Champaign County Economic Development: Provides industrial site search assistance and economic development information. |
| Champaign County Extension Office: Branch office of Ohio State University, it combines the needs of local citizens and communities, with new research and technical information. |
| Champaign County Library: Includes information about services, programs, calendar and genealogy. |
| Champaign County Profile: Provides demographic, business, and agriculture profiles. |
| Champaign County Recreational Facilities: Provides a list of Ohio Department of Natural Resources wildlife and recreational areas in the county. |
| Champaign County, Ohio - U.S. Census Bureau: Provides population, demographic, and housing information. |
| County Map: Map of Champaign County. |
| GoChampaign: A community portal for Champaign County includes news, events and marketplace. |
| Profile for Champaign County: Information on the political infrastructure of the county. |
| The Political Graveyard: Champaign County, Ohio: Site contains information on the political history of Champaign County, cemeteries and memorial sites in the county. |
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