Marshall County, Iowa Basics:
Marshall County Iowa - Government Site
Population: 41,078
Area: 573 square miles
County seat: Marshalltown
Area code(s) in use: 641
Time zone: CST
High school graduate or higher: 84.5%
Bachelor's degree or higher: 18.5%
Median household income: $49,259
Persons in poverty: 12.9%
Home ownership rate: 74.3%
Mean travel time to work: 16.8 minutes
Adjacent counties:
Grundy Hardin Jasper Poweshiek Story Tama