Wikipedia: Sac County, Iowa
- Encyclopedia article presents geography, demographics and links to localities. Includes maps.
- http://en.wikipedia.org/wiki/Sac_County,_Iowa

Sac County Economic and Tourism Development
- Provides a history of the county, a calendar of events, lodging, and a newsletter. Includes links to area communities.
- http://saccountyiowa.com/

City-Data.com: Sac County, Iowa
- Profiles population demographics, jobs, housing, agriculture and crime statistics. Contains a list of recreational areas, churches, cemeteries, post offices, charts, graphs and maps.
- http://www.city-data.com/county/Sac_County-IA.html

Sac County, Iowa - US Census Bureau
- Provides population, demographic, and housing information.
- http://quickfacts.census.gov/qfd/states/19/19161.html

The Barn Quilts of Sac County Iowa
- Large, colorful 8-foot square wooden blocks mounted on barns or cribs that are at least 50 years old. Provides locations and photographs for each, with a route map and links to local tourism information.
- http://www.barnquilts.com/

Farber & Otteman Funeral Home
- Provides information about services, staff profiles, obituaries and condolence form. Located in Lake View, Odebolt, Sac City and Wall Lake.
- http://farberotteman.com/

Iowa State University Extension - Sac County
- Offers agricultural, business, family and 4-H programs and resources. Includes staff directory, news, events, hours and directions. Located in Sac City.
- http://www.extension.iastate.edu/sac/

Sac County REC
- Electrical distribution cooperative serving Sac and areas of Calhoun, Buena Vista, Ida and Crawford counties. Includes information about products and services, educational and safety programs, online resources and community information.
- http://www.sacrec.coop/

Sac County, Iowa
- Provides general information and responsibilities of county departments, news, photo albums, census data, and FAQs.
- http://www.saccounty.org/