Sully County, South Dakota

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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 January 8, 1873
Named for Alfred Sully
Seat Onida
Largest city Onida
Area
 • Total 1,070 sq mi (2,772 km2)
 • Land 1,007 sq mi (2,608 km2)
 • Water 63 sq mi (164 km2), 5.93%
Population
 • (2010) 1,373
 • Density 2/sq mi (1/km²)
Congressional district At-large
Time zone Central: UTC-6/-5
Website www.sullycounty.net

Sully County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 1,373.[1] Its county seat is Onida.[2] The county is named after General Alfred Sully who built Fort Sully.[3]

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

Geography[edit]

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) (5.93%) is water.[4]

Major highways[edit]

Adjacent counties[edit]

Demographics[edit]

Historical population
Census Pop.
1880 296
1890 2,412 714.9%
1900 1,715 −28.9%
1910 2,462 43.6%
1920 2,831 15.0%
1930 3,852 36.1%
1940 2,668 −30.7%
1950 2,713 1.7%
1960 2,607 −3.9%
1970 2,362 −9.4%
1980 1,990 −15.7%
1990 1,589 −20.2%
2000 1,556 −2.1%
2010 1,373 −11.8%
Est. 2013 1,437 4.7%
U.S. Decennial Census[5]
2013 Estimate[1]

As of the census[6] 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.

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.

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.

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.

Communities[edit]

Cities and towns[edit]

2010 United States Census population[7]

Townships[edit]

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

See also[edit]

References[edit]

  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. ^ Legislative Manual, South Dakota, 2005, p. 597.
  4. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  5. ^ "U.S. Decennial Census". Census.gov. Retrieved March 28, 2014. 
  6. ^ "American FactFinder". United States Census Bureau. Retrieved 2011-05-14. 
  7. ^ "Incorporated Places and Minor Civil Divisions: South Dakota". Population Census. 2010 United States Census. 2011-07-18. Retrieved 2011-08-03. 

Coordinates: 44°43′N 100°08′W / 44.71°N 100.13°W / 44.71; -100.13