Sully County, South Dakota
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Sully County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 1,446,<ref name="QF">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> making it the fifth-least populous county in South Dakota. Its county seat is Onida.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The county was created in 1873 and organized in 1883.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> It is named after General Alfred Sully, who built Fort Sully.<ref>Legislative Manual, South Dakota, 2005, p. 597.</ref>
Sully County is included in the Micropolitan Statistical Area of Pierre.
Sully County was the location of the largest African American homesteader settlement in the state, the Blair Colony. An Illinois man named Norvel Blair arrived in Fairbank Township in 1884, after sending his sons Benjamin and Patrick to investigate the area for settlement.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> Blair's financial success, achieved through farming and breeding racehorses, attracted dozens of other Black families to the colony. Blair became the first Black South Dakotan to serve on a school board.
The decline of South Dakota agriculture during the Great Depression led most Blair Colony residents to seek work in larger cities like Minneapolis and Chicago.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> A historical marker in the county seat of Onida remembers the colony.<ref>Template:Cite news</ref>
Geography
The west boundary line of Sully County is defined by the meanderings of the Missouri River, which flows southward along its edge. The county's terrain is composed of semi-arid rolling hills, partially devoted to agriculture.<ref name="SCSD">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The terrain slopes to the south and east, but the west portion of the county slopes westward into the river valley. The county's highest point is along the midpoint of its north boundary line, at Template:Convert ASL.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The county has a total area of Template:Convert, of which Template:Convert is land and Template:Convert (5.9%) is water.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
The eastern portion of South Dakota's counties (48 of 66) observe Central Time; the western counties (18 of 66) observe Mountain Time. Sully County is at the western edge of those counties that observe Central Time.<ref>Map of Time Zone Line through South Dakota (accessed January 30, 2019)</ref>
Major highways
Adjacent counties
- Potter County – north
- Hyde County – east
- Hughes County – south
- Stanley County – southwest (observes mountain time)
- Dewey County – northwest (observes Mountain Time)
Protected areas
Source:<ref name=SCSD/> Template:Div col
- Bush's Landing State Lakeside Use Area
- Cottonwood Lake State Game Production Area
- Cow Creek State Game Production Area
- Cow Creek State Recreation Area
- Elk State Game Production Area
- Fort Sully State Game Production Area
- Hofer State Game Production Area
- Koenig State Game Production Area Area
- Lambrecht State Game Production Area
- Lake State Game Production Area
- Little Bend State Game Production Area
- Little Bend State Lakeside Use Area Area
- Mail Shack State Game Production Area
- Medicine Knoll Creek State Game Production Area
- Okobojo Creek State Game Production Area
- Okobojo Point State Recreation Area
- Onida State Game Production Area
- Pleasant State Game Production Area
- Spring Creek Recreation Area
- Stone Lake State Game Production Area
- Sutton Bay State Game Production Area
- Sutton Bay State Lakeside Use Area
Lakes
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- Cottonwood Lake
- Mundt Lake
- Fuller Lake
- Lake Oahe (part)
- Lake Okobojo
- Stone Lake
- Sully Lake
- Walker Lake
- Warnes Slough
Demographics
2020 census
As of the 2020 census, there were 1,446 people, 635 households, and 428 families residing in the county.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The population density was Template:Convert. There were 892 housing units.
2010 census
As of the 2010 census, there were 1,373 people, 610 households, and 397 families in the county. The population density was Template:Convert. There were 845 housing units at an average density of Template:Convert. The racial makeup of the county was 96.6% white, 1.2% American Indian, 0.1% black or African American, 0.0% from other races, and 2.2% from two or more races. Those of Hispanic or Latino origin made up 0.9% of the population. In terms of ancestry,
Of the 610 households, 27.0% had children under the age of 18 living with them, 57.5% were married couples living together, 4.6% had a female householder with no husband present, 34.9% were non-families, and 31.6% of all households were made up of individuals. The average household size was 2.25 and the average family size was 2.82. The median age was 46.6 years.
The median income for a household in the county was $48,958 and the median income for a family was $58,875. Males had a median income of $34,375 versus $29,087 for females. The per capita income for the county was $26,596. About 4.4% of families and 8.0% of the population were below the poverty line, including 12.8% of those under age 18 and 8.4% of those age 65 or over.
Communities
City
- Onida (county seat)
Town
Census-designated place
Unorganized territories
The county organization does not include division into townships. Its area is divided into two areas of unorganized territory: West Sully and East Sully.
Politics
Throughout its history, Sully County has been powerfully Republican. The solitary Democrat to carry Sully County at a Presidential level has been Franklin D. Roosevelt in 1932 during an election heavily influenced by the "Dust Bowl" and Great Depression. Nonetheless, in the following 1936 election, Alf Landon won the county by over twenty percent. Since that time, the Democratic Party has bettered FDR's 1936 effort five times, but only Lyndon Johnson in 1964 has held the GOP to a single-digit margin. In modern times, like almost all of rural America, Sully County has become more and more Republican. The last Democrat to carry one-third of the county's vote was Michael Dukakis in 1988 during an election severely affected by a major drought. Template:PresHead Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresRow Template:PresFoot
Notable person
- Irwin Gunsalus (1912–2008), biochemist, was born in Sully County.
See also
References
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