Washington County, Iowa Basics:
Washington County Iowa - Government Site
Population: 21,942
Area: 569 square miles
County seat: Washington
Area code(s) in use: 319
Time zone: CST
High school graduate or higher: 88.2%
Bachelor's degree or higher: 20.0%
Median household income: $52,636
Persons in poverty: 11.0%
Home ownership rate: 75.7%
Mean travel time to work: 21.5 minutes
Adjacent counties:
Henry Iowa Jefferson Johnson Keokuk Louisa