Delaware County Historical Society
- Preserves and interprets the area's heritage. Operates the Moore-Youse house and a genealogical library. Includes county deed books from 1827 to 1860, membership and meeting details, and genealogy news.
- http://www.the-dchs.org/

County Clerk
- Local government administrative office. Extensive resources for county residents, including information on records, courts, fees and voting.
- http://dcclerk.harroldconsulting.com/php/

Delaware County History and Pioneer Families
- Historical information including photographs, maps, biographies and land patent information. From Countyhistory.com.
- http://www.countyhistory.com/delaware/index.html

County Genealogy
- Part of the INGenWeb project. Includes online records, other resources and related links.
- http://www.rootsweb.com/~indelawa/county.htm

Delaware County Police Department
- Sheriff's official site. Department information, message from the sheriff, news, history of Hoosier law enforcement in the 19th century.
- http://www.delawarecountysheriff.org/

Delaware County Community Information Network
- Official source of local government information. Sites of county departments, links to other resources.
- http://www.co.delaware.in.us/

Servpro of Delaware County
- Provides cleaning and restoration in commercial and residential markets. List of services, general information.
- http://www.servpro.com/franchises/8201.htm

The Political Graveyard
- Information on the political history, cemeteries and memorial sites in the county.
- http://politicalgraveyard.com/geo/IN/DE.html