Champaign County Library
- Includes information about services, programs, calendar and genealogy.
- http://www.champaign.lib.oh.us/

GoChampaign
- A community portal for Champaign County includes news, events and marketplace.
- http://www.gochampaign.com/

Champaign County Economic Development
- Provides industrial site search assistance and economic development information.
- http://www.champaignohio.biz/

Champaign 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=63-16-124

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.
- http://champaign.osu.edu/

Profile for Champaign County
- Information on the political infrastructure of the county.
- http://www.capitolimpact.com/gw/cntydetail.asp?state=oh&stfips=39&stname=Ohio&fips=39021

Champaign County
- Providing history, government, and community information.
- http://www.co.champaign.oh.us/

Champaign County, Ohio - U.S. Census Bureau
- Provides population, demographic, and housing information.
- http://quickfacts.census.gov/qfd/states/39/39021.html

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

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