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Ziebach County, South Dakota

Ziebach County
Ziebach County Courthouse
Ziebach County Courthouse
Map of South Dakota highlighting Ziebach 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.
Coordinates: 44°59′N 101°40′W / 44.98°N 101.67°W / 44.98; -101.67
Country United States
State South Dakota
Founded1911
Named forFrank M. Ziebach
SeatDupree
Largest cityDupree
Area
 • Total
1,971 sq mi (5,100 km2)
 • Land1,961 sq mi (5,080 km2)
 • Water9.3 sq mi (24 km2)  0.5%
Population
 (2020)
 • Total
2,413
 • Estimate 
(2023)
2,322 Decrease
 • Density1.2/sq mi (0.47/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional districtAt-large

Ziebach County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,413.[1] Its county seat is Dupree.[2] It is the last county (or county equivalent) in the United States alphabetically.

Ziebach County consists entirely of indian reservations. Most of the county is within the Cheyenne River Indian Reservation and the remainder is within the Standing Rock Indian Reservation. The county's per-capita income makes it the fourth-poorest county in the United States.[3]

  1. ^ "State & County QuickFacts". United States Census Bureau. Retrieved March 20, 2024.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. ^ Merchant, N. (February 13, 2011). "A look inside America's poorest county". Associated Press. Retrieved April 4, 2012.

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