The Political Graveyard: Rock County, Nebraska
- Database provides brief biographies of politicians who lived in the county and political history.
- http://politicalgraveyard.com/geo/NE/RO.html

Rock County - NEGenWeb
- Provides a brief history of the county, queries, genealogy resources, and maps.
- http://www.rootsweb.com/~nerock/

Rock County High School
- School information, page the teacher, course schedules and school calendar, staff news, sports pages and school organizations.
- http://tiger.rchs.esu17.k12.ne.us/

Rock County Historical Society
- Historical museum consisting of six original buildings filled with exhibits of early Rock County.
- http://www.rootsweb.com/~nerchs/

Rock County Public Library
- Describes materials and services that the library offers, information about programs, and provides access to its catalogs and information databases.
- http://www.huntel.net/ROCKCOLIB/

John W. and Louise Seier National Wildlife Refuge
- 2,400 acres made up of three diverse habitats: grasslands, wetlands, and woodlands to preserve, restore, and enhance ecological diversity.
- http://seier.fws.gov/

Rock County
- History of county and towns within it.
- http://www.co.rock.ne.us/