Campbell County is a county in the U.S. state of South Dakota. As of the 2010 census, the population was 1,466, making it the fifth-least populous county in South Dakota. Its county seat is Mound City. The county was created in 1873 and organized in 1884. It was named for Norman B. Campbell, a Dakota Territory legislator in 1873 and son of General Charles T. Campbell.
Campbell County lies on the north side of South Dakota; its north boundary line abuts the south boundary line of the state of North Dakota. The Missouri River flows southward along the county’s west boundary line. The county terrain consists of semi-arid low rolling hills, a portion of which is dedicated to agriculture. The terrain slopes to the south and east, with its highest point occurring on the county’s north boundary line, toward the NE corner: 2,060′ (628m). The county has a total area of 771 square miles (2,000 km), of which 734 square miles (1,900 km) is land and 37 square miles (96 km) (4.8%) is water.
The eastern portion of South Dakota’s counties (48 of 66) observe Central Time; the western counties (18 of 66) observe Mountain Time. Campbell County is the westernmost of the SD counties to observe Central Time.
As of the 2000 United States Census, there were 1,782 people, 725 households, and 508 families in the county. The population density was 2 people per square mile (1/km²). There were 962 housing units at an average density of 1.3 per square mile (0.5/km²). The racial makeup of the county was 99.33% White, 0.34% Native American, 0.06% Asian, and 0.28% from two or more races. 0.22% of the population were Hispanic or Latino of any race. 63.1% were of German, 17.2% Norwegian and 6.4% Dutch ancestry.
There were 725 households out of which 30.30% had children under the age of 18 living with them, 65.80% were married couples living together, 2.60% had a female householder with no husband present, and 29.90% were non-families. 28.60% of all households were made up of individuals and 15.70% 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 3.02.
The county population contained 26.40% under the age of 18, 3.50% from 18 to 24, 24.50% from 25 to 44, 23.50% from 45 to 64, and 22.10% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 100.70 males. For every 100 females age 18 and over, there were 98.30 males.
The median income for a household in the county was $28,793, and the median income for a family was $35,938. Males had a median income of $22,128 versus $17,237 for females. The per capita income for the county was $14,117. About 11.20% of families and 14.10% of the population were below the poverty line, including 7.70% of those under age 18 and 22.30% of those age 65 or over.
As of the 2010 United States Census, there were 1,466 people, 694 households, and 423 families in the county. The population density was 2.0 inhabitants per square mile (0.77/km). There were 980 housing units at an average density of 1.3 per square mile (0.50/km). The racial makeup of the county was 98.3% white, 0.3% Asian, 0.3% American Indian, 0.1% black or African American, 0.2% from other races, and 0.8% from two or more races. Those of Hispanic or Latino origin made up 1.4% of the population. In terms of ancestry, 68.5% were German, 14.1% were Norwegian, 12.6% were Dutch, 11.4% were Russian, 7.8% were Irish, and 2.7% were American.
Of the 694 households, 21.6% had children under the age of 18 living with them, 55.6% were married couples living together, 3.0% had a female householder with no husband present, 39.0% were non-families, and 35.6% of all households were made up of individuals. The average household size was 2.11 and the average family size was 2.70. The median age was 50.1 years.
The median income for a household in the county was $42,833 and the median income for a family was $48,864. Males had a median income of $41,563 versus $30,705 for females. The per capita income for the county was $22,338. About 6.1% of families and 10.7% of the population were below the poverty line, including 20.8% of those under age 18 and 13.0% of those age 65 or over.
In the 2010 census, the largest denomination was the Evangelical Lutheran Church in America with 286 adherents, followed by the Catholic church with 191 members, the third was the Presbyterian Church in America with 186 followers. The Reformed Church in the United States, the Wisconsin Evangelical Lutheran Synod, and the North American Baptist Conference were also represented with lesser numbers. Campbell County has the highest percentage of Presbyterians in the United States.
Campbell County South Dakota neighborhoods include: Alcester, Baltic, Black Hawk, Box Elder, Brandon, Buffalo Ridge, Camp Crook, Canton, Caputa, Central City, Chancellor, Colton, Creighton, Crooks, Custer, Deadwood, Dell Rapids, Elkton, Ellsworth Afb, Garretson, Hartford, Hermosa, Hill City, Howes, Humboldt, Keystone, Lead, Ludlow, Montrose, Nemo, New Underwood, North Sioux City, Owanka, Parker, Quinn, Rapid City, Renner, Rowena, Saint Onge, Scenic, Sherman, Silver City, Sioux Falls, Spearfish, Sturgis, Valley Springs, Wall, Wanblee, Wasta, Whitewood