Roberts County, South Dakota

Geography

According to the U.S. Census Bureau, the county has a total area of 1,136 square miles (2,940 km²), of which 1,101 square miles (2,850 km²) is land and 35 square miles (91 km²) (3.1%) is water.

Adjacent counties

2000 census

As of the census of 2000, there were 10,016 people, 3,683 households, and 2,618 families residing in the county. The population density was 9 people per square mile (4/km²). There were 4,734 housing units at an average density of 4 per square mile (2/km²). The racial makeup of the county was 68.29% White, 0.10% Black or African American, 29.86% Native American, 0.21% Asian, 0.03% from other races, and 1.51% from two or more races. 0.63% of the population were Hispanic or Latino of any race.

There were 3,683 households out of which 33.80% had children under the age of 18 living with them, 53.50% were married couples living together, 11.80% had a female householder with no husband present, and 28.90% were non-families. 26.80% of all households were made up of individuals and 12.40% had someone living alone who was 65 years of age or older. The average household size was 2.66 and the average family size was 3.22.

In the county, the population was spread out with 30.00% under the age of 18, 7.20% from 18 to 24, 23.60% from 25 to 44, 22.20% from 45 to 64, and 17.00% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 98.80 males. For every 100 females age 18 and over, there were 98.20 males.

The median income for a household in the county was $28,322, and the median income for a family was $33,361. Males had a median income of $25,516 versus $19,464 for females. The per capita income for the county was $13,428. About 16.60% of families and 22.10% of the population were below the poverty line, including 30.10% of those under age 18 and 17.40% of those age 65 or over.

2010 census

As of the 2010 United States Census, there were 10,149 people, 3,823 households, and 2,655 families residing in the county. The population density was 9.2 inhabitants per square mile (3.6/km²). There were 4,905 housing units at an average density of 4.5 per square mile (1.7/km²). The racial makeup of the county was 61.7% white, 34.5% American Indian, 0.2% Asian, 0.1% black or African American, 0.4% from other races, and 3.0% from two or more races. Those of Hispanic or Latino origin made up 1.2% of the population. In terms of ancestry, 31.3% were German, 19.2% were Norwegian, 6.3% were Irish, and 3.8% were American.

Of the 3,823 households, 34.4% had children under the age of 18 living with them, 49.1% were married couples living together, 13.4% had a female householder with no husband present, 30.6% were non-families, and 27.3% of all households were made up of individuals. The average household size was 2.58 and the average family size was 3.11. The median age was 39.5 years.

The median income for a household in the county was $37,708 and the median income for a family was $46,146. Males had a median income of $34,080 versus $28,423 for females. The per capita income for the county was $19,825. About 14.3% of families and 20.0% of the population were below the poverty line, including 33.9% of those under age 18 and 11.0% of those age 65 or over.

Cities

Census-designated places

Unincorporated communities

Townships

The county is divided into thirty-one townships:

Notable people