| County Map: Map of Jefferson County. |
| Jefferson County Board of Elections: Offers live and previous election results. Also provides the election calendar and information about the board, issues, candidates, voter registration and pollworker employment. |
| Jefferson County Connections: Includes county profile and services, educational and government websites, parks and recreation, health facilities, and places to visit. |
| Jefferson County Demographics: A detailed report compiled from 1990 census data that includes population, housing, economic and educational information. |
| Jefferson County Extension Office: Branch office of Ohio State University, it combines the needs of local citizens and communities, with new research and technical information. |
| Jefferson County Profile: Provides demographic, business, and agriculture profiles. |
| Jefferson County Recreational Facilities: Provides a list of Ohio Department of Natural Resources wildlife and recreational areas in the county. |
| Jefferson County, Ohio - U.S. Census Bureau: Provides population, demographic, and housing information. |
| Ohio: Steubenville & Jefferson County: Provides an editorial survey of economic development opportunities in the county. |
| Profile for Jefferson County: Information on the political infrastructure of the county. |
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