Pottawattamie County Iowa Republican Party
- Covers leadership, officeholders, calendar, news, volunteer form and photographs.
- http://www.pottcogop.com/

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

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

Historical Society of Pottawattamie County
- Maintains and operates the RailsWest Museum and Squirrel Cage Jail, listed in the National Register of Historic Places. Includes visitor information, tours and programs, and membership details. Located in Council Bluffs.
- http://www.thehistoricalsociety.org/