City-Data.com: Washington 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/Washington_County-IA.html

Washington County, Iowa - US Census Bureau
- Provides population, demographic, and housing information.
- http://quickfacts.census.gov/qfd/states/19/19183.html

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

Washington County Public Safety
- Includes content for sheriff, police, 911 dispatch, jail, narcotics task force, investigations, and records.
- http://co.washington.ia.us/publicsafety