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Roberts County, South Dakota

Coordinates: 45°37′N 96°57′W / 45.62°N 96.95°W / 45.62; -96.95
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{{Infobox U.S. county

Roberts County
County
Roberts County Courthouse
Roberts County Courthouse
Map of South Dakota highlighting Roberts County
Location within the U.S. state of South Dakota
Map of the United States highlighting South Dakota
South Dakota's location within the U.S.
Coordinates: 45°37′24.229″N 96°56′51.183″W / 45.62339694°N 96.94755083°W / 45.62339694; -96.94755083
Country United States
State South Dakota
FoundedMarch 8, 1883 (organized)[1]
August 6, 1883 (organized)
Named afterS. G. Roberts
SeatSisseton
Largest citySisseton
Area
 • Total
1,135.777 sq mi (2,941.65 km2)
 • Land1,101.055 sq mi (2,851.72 km2)
 • Water34.722 sq mi (89.93 km2)  3.1%
Population
 (2020)
 • Total
10,280
 • Estimate 
(2024)
10,283 Increase
 • Density9.271/sq mi (3.580/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional districtAt-large
Websiterobertscosd.gov

Roberts County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 10,280.[2] Its county seat is Sisseton.[3] The county was named either for S. G. Roberts of Fargo, North Dakota, or for Solomon Robar, an early local French fur trader.[1] It was created on March 8, 1883, and fully organized by August 6 of that year. Its boundary was altered once, in 1885.[4]

Geography

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Soils of Roberts County

Roberts County is at South Dakota's northeastern corner. Its eastern boundary abuts Minnesota (across the Bois de Sioux River), and its northern boundary abuts North Dakota. The Cottonwood Slough flows southward, draining the upper portion of the county into the River. The terrain consists of rolling hills, devoted to agriculture.[5] The terrain slopes to the east; its highest point is on its upper western boundary line, at 2,047 ft (624 m) ASL.[6]

According to the United States Census Bureau, the county has a total area of 1,135.777 square miles (2,941.65 km2), of which 1,101.055 square miles (2,851.72 km2) is land and 34.722 square miles (89.93 km2) (3.1%) is water.[7] It is the 26th largest county in South Dakota by total area. The Traverse Gap is in eastern Roberts County along the Minnesota border. The Lake Traverse Indian Reservation covers most of the county.

Major highways

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Transit

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Adjacent counties

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Protected areas[5]

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Lakes and rivers[5]

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Demographics

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Historical population
CensusPop.Note%±
18901,997—
190012,216511.7%
191014,89721.9%
192016,51410.9%
193015,782−4.4%
194015,8870.7%
195014,929−6.0%
196013,190−11.6%
197011,678−11.5%
198010,911−6.6%
19909,914−9.1%
200010,0161.0%
201010,1491.3%
202010,2801.3%
2024 (est.)10,283[8]0.0%
U.S. Decennial Census[9]
1790–1960[10] 1900–1990[11]
1990–2000[12] 2010–2020[13]

2020 census

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As of the 2020 census, there were 10,280 people, 3,844 households, and 2,568 families residing in the county.[14] The population density was 9.3 inhabitants per square mile (3.6/km2). There were 4,788 housing units.

2010 census

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As of the 2010 census, there were 10,149 people, 3,823 households, and 2,655 families residing in the county. The population density was 9.2 inhabitants per square mile (3.6/km2). There were 4,905 housing units at an average density of 4.5 units per square mile (1.7 units/km2). The racial makeup of the county was 61.7% white, 34.5% American Indian, 0.2% Asian, 0.1% black or African American, 0.4% from other races, and 3.0% from two or more races. Those of Hispanic or Latino origin made up 1.2% of the population. In terms of ancestry, 31.3% were German, 19.2% were Norwegian, 6.3% were Irish, and 3.8% were American.

Of the 3,823 households, 34.4% had children under the age of 18 living with them, 49.1% were married couples living together, 13.4% had a female householder with no husband present, 30.6% were non-families, and 27.3% of all households were made up of individuals. The average household size was 2.58 and the average family size was 3.11. The median age was 39.5 years.

The median income for a household in the county was $37,708 and the median income for a family was $46,146. Males had a median income of $34,080 versus $28,423 for females. The per capita income for the county was $19,825. About 14.3% of families and 20.0% of the population were below the poverty line, including 33.9% of those under age 18 and 11.0% of those age 65 or over.

Communities

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Cities

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Towns

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Census-designated places

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Unincorporated communities[5]

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  • Hammer
  • Hartford Beach
  • Hiawatha Beach
  • Lindon Beach
  • Shady Beach
  • Victor

Townships

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  • Agency
  • Alto
  • Becker
  • Bossko
  • Bryant
  • Dry Wood Lake
  • Easter
  • Enterprise
  • Garfield
  • Geneseo
  • Goodwill
  • Grant
  • Harmon
  • Hart
  • Lake
  • Lawrence
  • Lee
  • Lien
  • Lockwood
  • Long Hollow
  • Minnesota
  • Norway
  • One Road
  • Rosholt
  • Ortley
  • Sisseton
  • Springdale
  • Spring Grove
  • Summit
  • Victor
  • White Rock

Notable people

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Politics

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United States presidential election results for Roberts County, South Dakota[15]
Year Republican Democratic Third party(ies)
No.  % No.  % No.  %
2024 2,514 60.59% 1,560 37.60% 75 1.81%
2020 2,404 55.82% 1,828 42.44% 75 1.74%
2016 2,144 55.13% 1,540 39.60% 205 5.27%
2012 1,883 44.24% 2,302 54.09% 71 1.67%
2008 1,781 39.26% 2,672 58.91% 83 1.83%
2004 2,396 48.09% 2,527 50.72% 59 1.18%
2000 2,237 54.91% 1,700 41.73% 137 3.36%
1996 1,646 37.99% 2,186 50.45% 501 11.56%
1992 1,437 34.87% 1,716 41.64% 968 23.49%
1988 2,012 46.67% 2,267 52.59% 32 0.74%
1984 2,767 57.17% 2,063 42.62% 10 0.21%
1980 2,904 57.98% 1,829 36.51% 276 5.51%
1976 1,915 39.73% 2,890 59.96% 15 0.31%
1972 2,187 42.29% 2,976 57.54% 9 0.17%
1968 2,225 42.68% 2,651 50.85% 337 6.46%
1964 1,931 35.12% 3,567 64.88% 0 0.00%
1960 2,857 48.05% 3,089 51.95% 0 0.00%
1956 2,854 46.79% 3,246 53.21% 0 0.00%
1952 3,566 58.56% 2,524 41.44% 0 0.00%
1948 2,211 39.12% 3,277 57.98% 164 2.90%
1944 2,721 47.36% 3,024 52.64% 0 0.00%
1940 3,504 48.30% 3,750 51.70% 0 0.00%
1936 1,934 32.50% 3,820 64.19% 197 3.31%
1932 1,381 21.69% 4,440 69.72% 547 8.59%
1928 2,966 52.73% 2,619 46.56% 40 0.71%
1924 1,744 40.99% 215 5.05% 2,296 53.96%
1920 2,335 49.73% 447 9.52% 1,913 40.75%
1916 1,259 47.17% 1,191 44.62% 219 8.21%
1912 0 0.00% 812 33.02% 1,647 66.98%
1908 1,562 61.02% 777 30.35% 221 8.63%
1904 2,282 75.02% 584 19.20% 176 5.79%
1900 1,875 62.11% 1,067 35.34% 77 2.55%
1896 1,324 58.20% 929 40.84% 22 0.97%
1892 538 62.85% 68 7.94% 250 29.21%

Education

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School districts include:[16]

See also

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References

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  1. ^ a b Legislative Manual, South Dakota, 2005, p. 597
  2. ^ "Explore Census Data". United States Census Bureau. Retrieved March 19, 2025.
  3. ^ "Find a County". National Association of Counties. Retrieved March 19, 2025.
  4. ^ South Dakota County Histories/Roberts County (accessed February 8, 2019)
  5. ^ a b c d Roberts County SD Google Maps (accessed February 8, 2019)
  6. ^ ""Find an Altitude" Google Maps (accessed February 8, 2019)". Archived from the original on May 21, 2019. Retrieved February 8, 2019.
  7. ^ "2024 County Gazetteer Files – South Dakota". United States Census Bureau. Retrieved March 19, 2025.
  8. ^ "County Population Totals and Components of Change: 2020-2024". Retrieved March 15, 2025.
  9. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 20, 2014.
  10. ^ "Historical Census Browser". University of Virginia Library. 2007. Archived from the original on December 12, 2009. Retrieved July 20, 2014.
  11. ^ Forstall, Richard L. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Archived from the original on February 19, 1999. Retrieved July 20, 2014.
  12. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Archived (PDF) from the original on March 27, 2010. Retrieved July 20, 2014.
  13. ^ "U.S. Census Bureau QuickFacts: Roberts County, South Dakota". www.census.gov. Retrieved March 19, 2025.
  14. ^ "US Census Bureau, Table P16: Household Type". United States Census Bureau. Retrieved March 20, 2024.
  15. ^ Leip, David. "Atlas of US Presidential Elections". uselectionatlas.org. Retrieved September 16, 2018.
  16. ^ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Roberts County, SD" (PDF). United States Census Bureau. Retrieved April 10, 2024. - Text list

45°37′N 96°57′W / 45.62°N 96.95°W / 45.62; -96.95

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