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Sully County, South Dakota

Sully County, South Dakota
Map of South Dakota highlighting Sully County
Location in the state of South Dakota
Map of the United States highlighting South Dakota
South Dakota's location in the U.S.
Founded 1883
Named for Alfred Sully
Seat Onida
Largest city Onida
 • Total 1,070 sq mi (2,771 km2)
 • Land 1,007 sq mi (2,608 km2)
 • Water 63 sq mi (163 km2), 5.9%
 • (2010) 1,373
 • Density 1.4/sq mi (1/km²)
Congressional district At-large
Time zone Central: UTC-6/-5
Website .net.sullycountywww

Sully County is a

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved November 28, 2013. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. 2006. Retrieved March 31, 2015. 
  4. ^ Legislative Manual, South Dakota, 2005, p. 597.
  5. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved March 28, 2015. 
  6. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  7. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved March 28, 2015. 
  8. ^ "Historical Census Browser". University of Virginia Library. Retrieved March 28, 2015. 
  9. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved March 28, 2015. 
  10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved March 28, 2015. 
  11. ^ "American FactFinder".  


See also

The county is divided into two areas of unorganized territory: West Sully and East Sully.

Unorganized territories




The median income for a household in the county was $32,500, and the median income for a family was $38,304. Males had a median income of $25,265 versus $20,521 for females. The per capita income for the county was $17,407. About 10.60% of families and 12.10% of the population were below the poverty line, including 13.40% of those under age 18 and 15.10% of those age 65 or over.

In the County, the population was spread out with 25.50% under the age of 18, 6.10% from 18 to 24, 26.50% from 25 to 44, 24.40% from 45 to 64, and 17.40% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 105.50 males. For every 100 females age 18 and over, there were 108.50 males.

There were 630 households out of which 31.00% had children under the age of 18 living with them, 62.50% were married couples living together, 4.30% had a female householder with no husband present, and 29.70% were non-families. 25.70% of all households were made up of individuals and 10.60% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 2.99.

As of the census[11] of 2000, there were 1,556 people, 630 households, and 442 families residing in the County. The population density was 2 people per square mile (1/km²). There were 844 housing units at an average density of 1 per square mile (0/km²). The racial makeup of Sully County was 97.81% White, 0.77% Native American, 0.13% Asian, 0.13% from other races, and 1.16% from two or more races. 0.77% of the population were Hispanic or Latino of any race.


Adjacent counties

Major highways

According to the U.S. Census Bureau, the county has a total area of 1,070 square miles (2,800 km2), of which 1,007 square miles (2,610 km2) is land and 63 square miles (160 km2) (5.9%) is water.[5]



  • Geography 1
    • Major highways 1.1
    • Adjacent counties 1.2
  • Demographics 2
  • Communities 3
    • City 3.1
    • Town 3.2
    • Unorganized territories 3.3
  • See also 4
  • References 5

Sully County is included in the Pierre, SD Micropolitan Statistical Area.

[4] who built Fort Sully.Alfred Sully after General named It is [3]

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