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Ziebach County, South Dakota
Map of South Dakota highlighting Ziebach County
Location in the state of South Dakota
Map of USA SD
South Dakota's location in the U.S.
Founded 1911
Named for Frank M. Ziebach
Seat Dupree
Largest city Dupree
 - Total
 - Land
 - Water

1,971 sq mi (5,105 km²)
1,962 sq mi (5,082 km²)
9 sq mi (23 km²), 0.44%
 - (2010)
 - Density

1.3/sq mi (0.5/km²)
Time zone Mountain: UTC-7/-6

Ziebach County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 2,801.[1] It's county seat is Dupree.[2] The county's per-capita income makes it the fourth poorest county in the United States.[3] It is alphabetically the last county in the nation.


According to the U.S. Census Bureau, the county has a total area of 1,971 square miles (5,105 km²), of which 1,962 square miles (5,082 km²) is land and 9 square miles (23 km²) (0.44%) is water. Almost the entire county lies within the Cheyenne River Indian Reservation. The balance of the county, along its extreme northern county line, lies within the Standing Rock Indian Reservation. It is one of five South Dakota counties that lie entirely on Indian reservations.


The county is divided into three areas of unorganized territory: Dupree, North Ziebach, and South Ziebach.

Major highwaysEdit

Adjacent countiesEdit

National protected areaEdit

Buttes Edit

Zieback County is part of the Great Plains and is characterized by rolling grasslands and numerous buttes. The buttes form the highest points of elevation in Ziebach County and their names, latitude/longitude coordinates, and summit heights are:


Ziebach County was created in 1911, and named for Frank M. Ziebach, a noted political figure in the Dakota Territory during the territorial period from 1861 to 1889. Previously the area had been used by trappers and in 1907 part was briefly a reservation for Ute Indians displaced from Utah and Wyoming. Early in the 20th Century cattle were raised in substantial numbers, but when the railroad bypassed the area this industry declined. Limited homesteading also occurred on the more fertile lands.[5]


Historical population
Year Pop. ±%
1890 510
1920 3,718 +629.0%
1930 4,039 +8.6%
1940 2,875 −28.8%
1950 2,606 −9.4%
1960 2,495 −4.3%
1970 2,221 −11.0%
1980 2,308 +3.9%
1990 2,220 −3.8%
2000 2,519 +13.5%
2010 2,801 +11.2%
U.S. Decennial Census

As of the census[6] of 2000, there were 2,519 people, 741 households, and 594 families residing in the county. The population density was 1.3 people per square mile (0.5/km²). There were 879 housing units at an average density of 0.4 per square mile (0.2/km²). The racial makeup of the county was 72.29% Native American, 26.40% White, 0.08% Asian, 0.12% from other races, and 1.11% from two or more races. 0.99% of the population were Hispanic or Latino of any race.

There were 741 households out of which 47.2% had children under the age of 18 living with them, 47.9% were married couples living together, 23.8% had a female householder with no husband present, and 19.8% were non-families. 17.4% of all households were made up of individuals and 5.1% had someone living alone who was 65 years of age or older. The average household size was 3.40 and the average family size was 3.81.

In the county, the population was spread out with 40.6% under the age of 18, 10.8% from 18 to 24, 24.7% from 25 to 44, 16.5% from 45 to 64, and 7.5% who were 65 years of age or older. The median age was 24 years. For every 100 females there were 97.0 males. For every 100 females age 18 and over, there were 98.1 males.

The median income for a household in the county was $18,063, and the median income for a family was $18,672. Males had a median income of $19,038 versus $21,167 for females. The per capita income for the county was $7,463. About 45.20% of families and 49.90% of the population were below the poverty line, including 61.10% of those under age 18 and 27.20% of those age 65 or over. In 2009, it was one of 17 counties in the United States where half of all children live in poverty.

Cities and townsEdit

Coordinates: 44°59′N 101°40′W / 44.98, -101.67

See alsoEdit


  1. ^ United States Census Bureau. "2010 Census Data". United States Census Bureau. Retrieved 4 August 2011. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ Merchant, N. (February 13, 2011). "A look inside America's poorest county". Associated Press. Retrieved 2011-02-13. 
  4. ^ Squaw Teat Butte is the given name of this prominence on the following topographic map of the US Geological Survey: USGS Rattlesnake Butte Quad,South Dakota. See This page of has the portion of USGS Rattlesnake Butte Quad, with Squaw Teat Butte.
  5. ^ Text of Ziebach Co., SD History
  6. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 

This page uses content from the English language Wikipedia. The original content was at Ziebach County, South Dakota. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.

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