Yankton County, South Dakota

Yankton County, South Dakota
Location in the state of South Dakota
South Dakota's location in the U.S.
Founded	April 10, 1862
Named for	Yankton Sioux
Seat	Yankton
Largest city	Yankton
Area  - Total  - Land  - Water	533 sq mi (1,380 km²) 522 sq mi (1,352 km²) 11 sq mi (28 km²), 2.08%
PopulationEst.  - (2012)  - Density	22,603 41/sq mi (16/km²)
Time zone	Central: UTC-6/-5
Website	www.co.yankton.sd.us

Yankton County is a county located in the State of South Dakota. As of the 2010 census, the population was 22,438. It's county seat is Yankton.

Yankton County is the only county in the Yankton Micropolitan Statistical Area.

Geography

According to the U.S. Census Bureau, the county has a total area of 533 square miles (1,380 km²), of which 522 square miles (1,350 km²) is land and 11 square miles (28 km²) (2.08%) is water. It is bordered by the Missouri River.

Townships

The county is divided into nine townships: Gayville, Jamesville, Marindahl, Mayfield, Mission Hill, Turkey Valley, Utica, Volin, Walshtown; and two areas of unorganized territory: Southeast Yankton and West Yankton.

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

Historical populations
Census	Pop.		%±
1870	2,097		—
1880	8,390		300.1%
1890	10,414		24.1%
1900	12,649		21.5%
1910	13,135		3.8%
1920	15,233		16.0%
1930	16,589		8.9%
1940	16,725		0.8%
1950	16,804		0.5%
1960	17,551		4.4%
1970	19,039		8.5%
1980	18,952		−0.5%
1990	19,252		1.6%
2000	21,652		12.5%
2010	22,438		3.6%
Est. 2012	22,603		0.7%
U.S. Decennial Census 2012 Estimate

As of the census of 2000, there were 21,652 people, 8,187 households, and 5,403 families residing in the county. The population density was 42 people per square mile (16/km²). There were 8,840 housing units at an average density of 17 per square mile (7/km²). The racial makeup of the county is 95.10% White, 1.16% African American, 1.63% Native American, 0.42% Asian, 0.02% Pacific Islander, 0.74% from other races, and 0.91% from two or more races. 1.82% of the population are Hispanic or Latino of any race.

There were 8,187 households out of which 33.00% had children under the age of 18 living with them, 54.40% were married couples living together, 8.30% had a female householder with no husband present, and 34.00% were non-families. 29.30% of all households were made up of individuals and 12.00% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 3.03.

In the county, the population was spread out with 25.70% under the age of 18, 8.70% from 18 to 24, 29.00% from 25 to 44, 22.00% from 45 to 64, and 14.60% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 101.90 males. For every 100 females age 18 and over, there were 101.30 males.

The median income for a household in the county was $35,374, and the median income for a family was $43,600. Males had a median income of $29,010 versus $20,686 for females. The per capita income for the county was $17,312. About 6.60% of families and 9.60% of the population were below the poverty line, including 10.00% of those under age 18 and 9.00% of those age 65 or over.

Cities and Towns

1. 14,564 - Yankton
2. 411 - Gayville
3. 178 - Mission Hill
4. 162 - Volin
5. 128 - Lesterville
6. 65 - Utica

2011 estimate population

See also

• National Register of Historic Places listings in Yankton County, South Dakota

External links

• Official homepage