National Register of Historical Places - Dickinson County
- Provides a listing of properties, districts, and landmarks in the county. Includes architectural style and period of significance.
- http://www.historicdistricts.com/IA/Dickinson/state.html

The Political Graveyard: Dickinson County, Iowa
- Database provides political history, cemetery locations, and brief biographies of politicians who were born or lived in the county.
- http://politicalgraveyard.com/geo/IA/DI.html#BORN

Dickinson County Endowment Fund
- Nonprofit, tax exempt foundation established in 2005 to support community betterment projects. Includes grant information and list of award recipients.
- http://www.dcefund.org/