Sully County, South Dakota facts for kids
Quick facts for kids
Sully County
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Sully Courthouse (2013)
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Location within the U.S. state of South Dakota
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South Dakota's location within the U.S. |
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Country | United States |
State | South Dakota |
Founded | 1873 (created) 1883 (organized) |
Named for | Alfred Sully |
Seat | Onida |
Largest city | Onida |
Area | |
• Total | 1,070 sq mi (2,800 km2) |
• Land | 1,007 sq mi (2,610 km2) |
• Water | 63 sq mi (160 km2) 5.9% |
Population
(2020)
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• Total | 1,446 |
• Estimate
(2021)
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1,476 |
• Density | 1.351/sq mi (0.5218/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | At-large |
Sully County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 1,446, making it the fifth-least populous county in South Dakota. Its county seat is Onida. The county was created in 1873 and organized in 1883. It is named after General Alfred Sully, who built Fort Sully.
Sully County is included in the Pierre, SD Micropolitan Statistical Area.
Contents
Geography
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.
Major highways
- U.S. Highway 83
- South Dakota Highway 1804
Adjacent counties
- Potter County, South Dakota – north
- Hyde County, South Dakota – east
- Hughes County, South Dakota – south
- Stanley County, South Dakota – southwest
- Dewey County, South Dakota – northwest
Demographics
Historical population | |||
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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% | |
2020 | 1,446 | 5.3% | |
2021 (est.) | 1,476 | 7.5% | |
US Decennial Census 1790–1960 1900–1990 1990–2000 2010–2020 |
2010 census
As of the 2010 United States Census, there were 1,373 people, 610 households, and 397 families in the county. The population density was 1.4 inhabitants per square mile (0.54/km2). There were 845 housing units at an average density of 0.84 per square mile (0.32/km2). 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 is divided into two areas of unorganized territory: West Sully and East Sully.
See also
In Spanish: Condado de Sully para niños