Washington County Extension Office
- Branch office of Ohio State University, it combines the needs of local citizens and communities, with new research and technical information.
- http://washington.osu.edu/

Washington County Connections
- Includes county profile and services, educational and government websites, parks and recreation, health facilities, and places to visit.
- http://www.oplin.org/controller.php?l=category&Id=63-16-197

Profile for Washington County
- Information on the political infrastructure of the county.
- http://www.capitolimpact.com/gw/cntydetail.asp?state=oh&stfips=39&stname=Ohio&fips=39167

Washington County Clerk of Courts
- Provides staff and department overview, list of services and links to each court.
- http://www.co.washington.oh.us/cl-clerkofcourts.htm

Washington County, Ohio - U.S. Census Bureau
- Provides population, demographic, and housing information.
- http://quickfacts.census.gov/qfd/states/39/39167.html

Washington 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.
- http://www.electionohio.com/washington/

County Map
- Map of Washington County.
- http://www.dot.state.oh.us/map1/ohiomap/images/county/wash.gif

Washington County
- Official site provides information about the government, economic development, calendar, public safety, departments and social services.
- http://www.washingtongov.org/

Marietta and Washington County Conventions and Visitors Bureau
- Offers tourists river activities, festivals, and historic sites.
- http://www.mariettaohio.org/

The Political Graveyard: Washington County, Ohio
- Site contains information on the political history of Washington County, cemeteries and memorial sites in the county.
- http://politicalgraveyard.com/geo/OH/WA.html