Bennett County
County in South Dakota
Bennett County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 3,381. Its county seat is Martin. The county lies completely within the exterior boundary of the Pine Ridge Indian Reservation. Wikipedia
Population: 3,336 (2022)
Area: 1,191 mi²
Named for: John E. Bennett or Granville G. Bennett
Seat: Martin
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