Yankton County, South Dakota facts for kids

Quick facts for kids Yankton County
U.S. county
Scottish Rite Masonic Center in Yankton.
Location within the U.S. state of South Dakota
South Dakota's location within the U.S.
Country	United States
State	South Dakota
Founded	April 10, 1862
Named for	Yankton Sioux
Seat	Yankton
Largest city	Yankton
Area
• Total	532 sq mi (1,380 km2)
• Land	521 sq mi (1,350 km2)
• Water	11 sq mi (30 km2)  2.1%
Population  (2020)
• Total	23,310
• Estimate  (2021)	23,297
• Density	43.82/sq mi (16.917/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	At-large

Missouri River in winter downstream from Yankton, with Nebraska below and South Dakota above. This stretch of the river is part of the 59-mile reach of the Missouri National Recreational River.

Yankton County is a county in the U.S. state of South Dakota. As of the 2020 United States Census, the population was 23,310. Its county seat is Yankton. Yankton County comprises the Yankton, SD Micropolitan Statistical Area.

Geography

According to the U.S. Census Bureau, the county has a total area of 532 square miles (1,380 km²), of which 521 square miles (1,350 km²) is land and 11 square miles (28 km²) (2.1%) is water. It is bordered by the Missouri River.

Major highways

• U.S. Highway 81
• South Dakota Highway 46
• South Dakota Highway 50
• South Dakota Highway 52
• South Dakota Highway 153
• South Dakota Highway 314

Adjacent counties

• Turner County, South Dakota - northeast
• Clay County, South Dakota - east
• Cedar County, Nebraska - southeast
• Knox County, Nebraska - southwest
• Bon Homme County, South Dakota - west
• Hutchinson County, South Dakota - northwest

National protected area

• Missouri National Recreational River (part)

Demographics

2010 census

As of the 2010 United States Census, there were 22,438 people, 8,770 households, and 5,476 families in the county. The population density was 43.1 inhabitants per square mile (16.6/km²). There were 9,652 housing units at an average density of 18.5 per square mile (7.1/km²). The racial makeup of the county was 92.8% white, 2.5% American Indian, 1.5% black or African American, 0.5% Asian, 1.1% from other races, and 1.4% from two or more races. Those of Hispanic or Latino origin made up 2.7% of the population. In terms of ancestry,

Of the 8,770 households, 29.2% had children under the age of 18 living with them, 50.1% were married couples living together, 8.8% had a female householder with no husband present, 37.6% were non-families, and 32.0% of all households were made up of individuals. The average household size was 2.30 and the average family size was 2.90. The median age was 41.3 years.

The median income for a household in the county was $47,124 and the median income for a family was $62,070. Males had a median income of $37,637 versus $29,488 for females. The per capita income for the county was $24,776. About 5.0% of families and 11.2% of the population were below the poverty line, including 10.7% of those under age 18 and 13.5% of those age 65 or over.

Communities

Cities

• Irene (partial)
• Yankton (county seat)

Towns

• Gayville
• Lesterville
• Mission Hill
• Utica
• Volin

Townships

The county is divided into nine townships:

Unorganized territories

The county contains two areas of unorganized territory: Southeast Yankton and West Yankton.

Images for kids

• 

  Gavins Point Dam, impounding Lewis and Clark Lake on the Missouri River in the southwestern part of Yankton County.

See also

In Spanish: Condado de Yankton para niños