Marshall County, South Dakota | |
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Location in the U.S. state of South Dakota |
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South Dakota's location in the U.S. |
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Founded | 1885 |
Named for | Marshall Vincent |
Seat | Britton |
Largest city | Britton |
Area | |
• Total | 886 sq mi (2,295 km2) |
• Land | 838 sq mi (2,170 km2) |
• Water | 48 sq mi (124 km2), 5.4% |
Population (est.) | |
• (2015) | 4,769 |
• Density | 5.4/sq mi (2/km²) |
Congressional district | At-large |
Time zone | Central: UTC-6/-5 |
Marshall County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 4,656. Its county seat is Britton. The county is named after Marshall Vincent, who homesteaded near Andover, South Dakota.
According to the U.S. Census Bureau, the county has a total area of 886 square miles (2,290 km2), of which 838 square miles (2,170 km2) is land and 48 square miles (120 km2) (5.4%) is water.
As of the census of 2000, there were 4,576 people, 1,844 households, and 1,252 families residing in the county. The population density was 6 people per square mile (2/km²). There were 2,562 housing units at an average density of 3 per square mile (1/km²). The racial makeup of the county was 92.59% White, 0.09% Black or African American, 6.32% Native American, 0.09% Asian, 0.22% from other races, and 0.70% from two or more races. 0.76% of the population were Hispanic or Latino of any race.
There were 1,844 households out of which 29.80% had children under the age of 18 living with them, 57.20% were married couples living together, 6.50% had a female householder with no husband present, and 32.10% were non-families. 30.10% of all households were made up of individuals and 16.10% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 3.04.