Bennett County, South Dakota

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Bennett County
Map of South Dakota highlighting Bennett County
Location within the U.S. state of South Dakota
Map of the United States highlighting South Dakota
South Dakota's location within the U.S.
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Country United States


State South Dakota
Founded1909
SeatMartin
Area
 • Total1,191 sq mi (3,080 km2)
 • Land1,185 sq mi (3,070 km2)
 • Water6 sq mi (20 km2)
Population
 (2020)
 • Total3,431
 • Density2.9/sq mi (1.1/km2)


Bennett County is a county located in the southwestern part of the U.S. state of South Dakota. As of the 2020 census, the population was 3,431. The county seat is Martin. The county was created in 1909 and organized in 1912.

Geography[edit | edit source]

According to the United States Census Bureau, the county has a total area of 1,191 square miles (3,085 km²), of which 1,185 square miles (3,070 km²) is land and 6.0 square miles (16 km²) (0.5%) is water.

Adjacent counties[edit | edit source]

Demographics[edit | edit source]

As of the 2020 census, there were 3,431 people, 1,204 households, and 832 families residing in the county. The population density was 2.9 inhabitants per square mile (1.1/km²). There were 1,353 housing units at an average density of 1.1 per square mile (0.42/km²).

Communities[edit | edit source]

City[edit | edit source]

Census-designated places[edit | edit source]

Unincorporated communities[edit | edit source]

Government and infrastructure[edit | edit source]

Bennett County is governed by a board of commissioners. The county seat, Martin, is the center of government and houses the county courthouse and other administrative offices.

Education[edit | edit source]

The county is served by the Bennett County School District, which provides education from elementary through high school.

Economy[edit | edit source]

The economy of Bennett County is primarily based on agriculture, with cattle ranching and farming being the predominant activities.

Transportation[edit | edit source]

Major highways that run through Bennett County include:

See also[edit | edit source]

References[edit | edit source]

External links[edit | edit source]

Contributors: Prab R. Tumpati, MD