Marshall County, South Dakota Basics:
Marshall County South Dakota - Government Site
Population: 4,665
Area: 838 square miles
County seat: Britton
Area code(s) in use: 605
Time zone: CST
High school graduate or higher: 87.9%
Bachelor's degree or higher: 18.1%
Median household income: $44,516
Persons in poverty: 18.3%
Home ownership rate: 74.7%
Mean travel time to work: 17.7 minutes
Adjacent counties:
Brown Day Richland (ND) Roberts Sargent (ND)