Jackson County, South Dakota

Jackson County, South Dakota
Jackson County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,806. Its county seat is Kadoka. The county was created in 1883, and was organized in 1915. Washabaugh County was merged into Jackson County in 1983.
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. The terrain generally slopes to the NE; its highest point is a ridge near the SW corner, at ASL.
Jackson County has a total area of , of which is land and (0.4%) is water. 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.
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.
Major highways
Interstate 90
U.S. Highway 14
South Dakota Highway 44
South Dakota Highway 63
South Dakota Highway 73
South Dakota Highway 377
Adjacent counties
Haakon County - north
Jones County - northeast (observes Central Time)
Mellette County - east (observes Central Time)
Todd County - southeast (observes Central Time)
Bennett County - south
Oglala Lakota County - southwest
Pennington County - northwest
Lakes
Kadoka Lake
Wanblee Lake
National protected areas
Badlands National Park (part)
Buffalo Gap National Grassland (part)
Minuteman Missile National Historic Site (part)
Demographics
2020 census
As of the census of 2020, there were 2,806 people.
2010 census
As of the census of 2010, there were 3,031 people, 996 households, and 703 families living in the county. The population density was . There were 1,193 housing units at an average density of . 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
Belvidere (Population:46)
Cottonwood (Population:12)
Interior (Population:65)
Census-designated place
Wanblee (Population:674)
Unincorporated communities
Cactus Flat
Hisle
Long Valley
Potato Creek
Stamford
Weta
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.
See also
National Register of Historic Places listings in Jackson County, South Dakota
References
1915 establishments in South Dakota
Populated places established in 1915