Wikipedia: Lyon County, Iowa
- Encyclopedia article covers geography, demographics and links to localities.
- http://en.wikipedia.org/wiki/Lyon_County,_Iowa

Bolin Funeral Service
- Providing service to the communities of George and Little Rock since 1975. Includes obituaries, price list and personal information form.
- http://www.bolinfuneral.com/

City-Data.com: Lyon 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/Lyon_County-IA.html

Historic Bridges of the U.S. : Bridges in Lyon County, Iowa
- Database provides overview, status, design, year built and dimensions of nineteen bridges in the county. Includes photographs.
- http://www.bridgehunter.com/ia/lyon/

Lyon County, Iowa - US Census Bureau
- Provides population, demographic, and housing information.
- http://quickfacts.census.gov/qfd/states/19/19119.html

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

Lyon County Fair
- Held annually in July in Rock Rapids. Includes a schedule of events, photos, information about exhibits and contest results.
- http://www.lyoncountyfair.org/

Lyon County, Iowa
- Official Web site features current news, a calendar, a listing of departments, and services provided.
- http://www.lyoncountyiowa.com/