Marion County, Iowa Basics:
Marion County Iowa - Government Site
Population: 33,322
Area: 555 square miles
County seat: Knoxville
Area code(s) in use: 515 641
Time zone: CST
High school graduate or higher: 92.0%
Bachelor's degree or higher: 24.2%
Median household income: $53,684
Persons in poverty: 9.0%
Home ownership rate: 76.9%
Mean travel time to work: 20.5 minutes