Tripp County, South Dakota

Tripp County, South Dakota
Tripp County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 5,624. Its county seat is Winner. The county was created in 1873, and was organized in 1909. It is named for lawyer, judge, and diplomat Bartlett Tripp.
Geography
Tripp County lies on the south line of South Dakota. Its south boundary is the Nebraska state line, while its north boundary is the meandering White River. The Keya Paha River flows east-southeasterly through the lower part of the county. The county terrain is composed of rolling hills carved by gullies and drainages. The county terrain generally slopes to the south and east, although its upper portion drops northward into the White River valley. The county's highest point is on the lower part of its west boundary line, at ASL. The county has a total area of , of which is land and (0.3%) is water.
Major highways
U.S. Highway 18
U.S. Highway 183
South Dakota Highway 44
South Dakota Highway 49
South Dakota Highway 53
Adjacent counties
Lyman County - north
Gregory County - east
Keya Paha County, Nebraska - south
Cherry County, Nebraska - southwest
Todd County - west
Mellette County - northwest
Protected areas
Beaulieu Lake State Game Production Area
Brown State Game Production Area
Covey Dam State Game Production Area
Dog Ear Lake State Game Production Area
George & Katherine Mann State Game Production Area
Ideal Wetland State Game Production Area
King Dam State Game Production Area
Little Dog Ear Lake State Game Production Area
McLaughlin State Game Production Area
Rahm Lake State Game Production Area
Roosevelt Lake State Game Production Area
Snow Dam State Game Production Area
Lakes
Roosevelt Lake
Demographics
2020 census
As of the census of 2020, there were 5,624 people.
2010 census
As of the census of 2010, there were 5,644 people, 2,419 households, and 1,509 families in the county. The population density was . There were 3,072 housing units at an average density of . The racial makeup of the county was 83.1% white, 14.0% American Indian, 0.2% Asian, 0.1% black or African American, 0.2% from other races, and 2.4% from two or more races. Those of Hispanic or Latino origin made up 1.1% of the population. In terms of ancestry, 46.8% were German, 10.8% were Irish, 7.7% were Czech, 6.2% were Dutch, and 4.0% were American.
Of the 2,419 households, 26.9% had children under the age of 18 living with them, 50.4% were married couples living together, 8.4% had a female householder with no husband present, 37.6% were non-families, and 34.6% of all households were made up of individuals. The average household size was 2.28 and the average family size was 2.93. The median age was 45.3 years.
The median income for a household in the county was $40,221 and the median income for a family was $49,570. Males had a median income of $35,238 versus $25,323 for females. The per capita income for the county was $21,192. About 12.1% of families and 16.5% of the population were below the poverty line, including 27.4% of those under age 18 and 10.3% of those age 65 or over.
Communities
City
Colome
Winner (county seat)
Town
New Witten (called "Witten" by US Post Office)
Census-designated place
Hamill (Population:14)
Ideal (Population:86)
Unincorporated communities
Carter
Clearfield
Jordan Junction
Keyapaha
Millboro
Wewela
Townships
Banner
Beaver Creek
Black
Brunson
Bull Creek
Carter
Colome
Condon
Curlew
Dog Ear
Elliston
Greenwood
Holsclaw
Huggins
Ideal
Irwin
Jordan
Keyapaha
King
Lake
Lamro
Lincoln
Lone Star
Lone Tree
McNeely
Millboro
Pahapesto
Plainview
Pleasant Valley
Pleasant View
Progressive
Rames
Rosedale
Roseland
Star Prairie
Star Valley
Stewart
Sully
Taylor
Valley
Weave
Willow Creek
Wilson
Witten
Wortman
Wright
Unorganized territory
The county contains one area of unorganized territory: Gassman.
Politics
Tripp County voters have traditionally voted Republican. In no national election since 1964 has the county selected the Democratic Party candidate (as of 2020). The Democratic Party has not obtained forty percent of the county's vote since Jimmy Carter in 1976.
See also
National Register of Historic Places listings in Tripp County, South Dakota
References
1909 establishments in South Dakota
Populated places established in 1909