City of Rock Valley, Iowa
- Profiles the community. Includes a business directory, activities, events, information about economic development, and links to services and organizations, recreation and leisure. Includes photographs and maps.
- http://www.cityofrockvalley.com/

Valley Image Photography
- Small studio specializing in family, senior, engagement and children's portraits, and weddings. Includes photo galleries and contact form.
- http://valleyimagephotography.com/

City-Data.com: Rock Valley, Iowa
- Profiles housing, population demographics, jobs, weather and climate tables. Contains a list of area hospitals, schools, airports, radio and TV broadcast stations, charts and maps.
- http://www.city-data.com/city/Rock-Valley-Iowa.html

Rock Valley Christian School
- Founded in 1911 and serves students from pre-school through eighth grade. Includes profile, calendar, staff directory, bulletin, menu and photographs.
- http://www.rvcs.pvt.k12.ia.us/

Rock Valley Local News: Topix
- Local, regional, and statewide news collected from diverse sources on the web.
- http://www.topix.com/city/rock-valley-ia

Wikipedia: Rock Valley, Iowa
- Encyclopedia article features geography and demographics of this city in Sioux County.
- http://en.wikipedia.org/wiki/Rock_Valley,_Iowa

Rock Valley School District
- Serving students in grades K-12. Includes announcements, facts about the school system, a school calendar, a lunch menu, emergency bus routes, and a map to the central office.
- http://www.rock-valley.k12.ia.us/