Major General James G. Blunt

An unusual specimen of calcite, densely intergrown with grains of sand. Collected from Rattlesnake Butte in Jackson County. Size: 6.9 x 5.4 x 3.9 cm.
Jackson County sign on Interstate 90

Jackson County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,806.[1] Its county seat is Kadoka.[2] The county was created in 1883, and was organized in 1915.[3] Washabaugh County was merged into Jackson County in 1983.[4]

Geography

The terrain of Jackson County consists of mountains rising from rolling hills. The ground is arid and carved with drainages. The White River flows eastward, cutting a meandering channel through the central part.[5] The terrain generally slopes to the NE; its highest point is a ridge near the SW corner, at 3,274 ft (998 m) ASL.[6]

Jackson County has a total area of 1,871 square miles (4,850 km2), of which 1,864 square miles (4,830 km2) is land and 7.4 square miles (19 km2) (0.4%) is water.[7] About 57 percent of its land, the portion south of White River, is on the Pine Ridge Indian Reservation. The county includes the easternmost portion of Badlands National Park.

Badlands National Park near Interior

South Dakota's eastern counties (48 of 66) observe Central Time; the western counties (18 of 66) observe Mountain Time. Jackson County is the easternmost of the state's counties to observe Mountain Time.[8]

Major highways

Adjacent counties

Lakes[5]

  • Kadoka Lake
  • Wanblee Lake

National protected areas

Demographics

Historical population
CensusPop.Note
19202,472
19302,6366.6%
19401,955−25.8%
19501,768−9.6%
19601,98512.3%
19701,531−22.9%
19803,437124.5%
19902,811−18.2%
20002,9304.2%
20103,0313.4%
20202,806−7.4%
2023 (est.)2,776[9]−1.1%
U.S. Decennial Census[10]
1790-1960[11] 1900-1990[12]
1990-2000[13] 2010-2020[1]

2020 census

As of the 2020 census, there were 2,806 people, 887 households, and 637 families residing in the county.[14] The population density was 1.5 inhabitants per square mile (0.58/km2). There were 1,064 housing units.

2010 census

As of the 2010 census, there were 3,031 people, 996 households, and 703 families living in the county. The population density was 1.6 inhabitants per square mile (0.62/km2). There were 1,193 housing units at an average density of 0.6 units per square mile (0.23 units/km2). The racial makeup of the county was 52.0% American Indian, 42.7% white, 0.2% black or African American, 0.2% from other races, and 4.8% from two or more races. Those of Hispanic or Latino origin made up 1.3% of the population. In terms of ancestry, 20.7% were German, 12.3% were Irish, 10.1% were Norwegian, 5.7% were English, and 0.2% were American.

Of the 996 households, 40.2% had children under the age of 18 living with them, 45.8% were married couples living together, 16.2% had a female householder with no husband present, 29.4% were non-families, and 26.2% of all households were made up of individuals. The average household size was 3.00 and the average family size was 3.65. The median age was 31.5 years.

The median income for a household in the county was $36,354 and the median income for a family was $41,838. Males had a median income of $32,377 versus $25,000 for females. The per capita income for the county was $14,568. About 20.6% of families and 30.0% of the population were below the poverty line, including 35.9% of those under age 18 and 5.6% of those age 65 or over.

Communities

City

  • Kadoka (county seat) (Pop:543)

Towns

Census-designated place

Unincorporated communities[5]

Townships

  • Grandview II
  • Interior
  • Jewett
  • Wall
  • Weta

Unorganized territories

  • East Jackson
  • Northwest Jackson
  • Southeast Jackson
  • Southwest Jackson

Politics

Jackson County voters have been reliably Republican for decades. In only one national election since 1936 has the county selected the Democratic Party candidate.[citation needed]

United States presidential election results for Jackson County, South Dakota[15]
Year Republican Democratic Third party
No.  % No.  % No.  %
2020 738 66.19% 359 32.20% 18 1.61%
2016 722 65.94% 323 29.50% 50 4.57%
2012 661 59.76% 426 38.52% 19 1.72%
2008 668 58.96% 435 38.39% 30 2.65%
2004 726 57.12% 508 39.97% 37 2.91%
2000 687 66.06% 319 30.67% 34 3.27%
1996 646 55.26% 423 36.18% 100 8.55%
1992 627 53.68% 351 30.05% 190 16.27%
1988 671 58.81% 450 39.44% 20 1.75%
1984 903 70.82% 365 28.63% 7 0.55%
1980 929 68.71% 354 26.18% 69 5.10%
1976 532 61.50% 313 36.18% 20 2.31%
1972 581 68.68% 261 30.85% 4 0.47%
1968 480 56.80% 267 31.60% 98 11.60%
1964 448 48.28% 480 51.72% 0 0.00%
1960 581 61.35% 366 38.65% 0 0.00%
1956 490 54.57% 408 45.43% 0 0.00%
1952 607 70.50% 254 29.50% 0 0.00%
1948 432 56.40% 321 41.91% 13 1.70%
1944 340 61.48% 213 38.52% 0 0.00%
1940 620 58.77% 435 41.23% 0 0.00%
1936 481 43.57% 593 53.71% 30 2.72%
1932 499 37.13% 812 60.42% 33 2.46%
1928 704 62.63% 417 37.10% 3 0.27%
1924 583 56.93% 194 18.95% 247 24.12%
1920 595 70.58% 206 24.44% 42 4.98%
1916 283 49.39% 279 48.69% 11 1.92%

See also

References

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved March 21, 2024.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. ^ "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. 2006. Archived from the original on April 2, 2018. Retrieved March 30, 2015.
  4. ^ John H. Long, ed. (2006). "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. Newberry Library. Archived from the original on November 13, 2007. Retrieved July 18, 2008.
  5. ^ a b c d Jackson County SD Google Maps (accessed February 4, 2019)
  6. ^ ""Find an Altitude" Google Maps (accessed February 4, 2019)". Archived from the original on May 21, 2019. Retrieved February 4, 2019.
  7. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved March 26, 2015.
  8. ^ Map of Time Zone Line through South Dakota (accessed January 30, 2019)
  9. ^ "County Population Totals and Components of Change: 2020-2023". Retrieved March 17, 2024.
  10. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved March 26, 2015.
  11. ^ "Historical Census Browser". University of Virginia Library. Retrieved March 26, 2015.
  12. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved March 26, 2015.
  13. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Archived (PDF) from the original on October 9, 2022. Retrieved March 26, 2015.
  14. ^ "US Census Bureau, Table P16: Household Type". United States Census Bureau. Retrieved March 21, 2024.
  15. ^ Leip, David. "Atlas of US Presidential Elections". uselectionatlas.org. Retrieved April 15, 2018.

43°42′N 101°38′W / 43.70°N 101.64°W / 43.70; -101.64