Roberts County, South Dakota

Roberts County is a located in the  of. As of, the population is 10,016. Its is. The county was named either for S. G. Roberts of, or for Solomon Robar, early.

Geography
According to the, the county has a total area of 2,941 (1,135 ). 2,852 km² (1,101 sq mi) of it is land and 88 km² (34 sq mi) of it (3.00%) is water.

Townships
The county is divided into thirty-one : Agency, Alto, Becker, Bossko, Bryant, Dry Wood Lake, Easter, Enterprise, Garfield, Geneseo, Goodwill, Grant, Harmon, Hart, Lake, Lawrence, Lee, Lien, Lockwood, Long Hollow, Minnesota, Norway, One Road, Rosholt, Ortley, Sisseton, Springdale, Spring Grove, Summit, Victor, and White Rock.

Adjacent Counties

 * - north
 * - northeast
 * - southeast
 * - south
 * - southwest
 * - west

Demographics
As of the of 2000, there were 10,016 people, 3,683 households, and 2,618 families residing in the county. The was 4/km² (9/sq mi). There were 4,734 housing units at an average density of 2/km² (4/sq mi). The racial makeup of the county was 68.29%, 0.10% or , 29.86% , 0.21% , 0.03% from , and 1.51% from two or more races. 0.63% of the population were or  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 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.