Custer County, South Dakota

Custer County is a located in the  of. As of, the population is 7,275. Its is.

Geography
According to the, the county has a total area of 4,038 (1,559 ). 4,034 km² (1,558 sq mi) of it is land and 4 km² (1 sq mi) of it (0.09%) is water.

Townships
The county is divided into two areas of territory: East of Custer State Park and West of Custer State Park Custer.

Adjacent counties

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

Demographics
As of the of 2000, there were 7,275 people, 2,970 households, and 2,067 families residing in the county. The was 2/km² (5/sq mi). There were 3,624 housing units at an average density of 1/km² (2/sq mi). The racial makeup of the county was 94.17%, 0.27% or , 3.12% , 0.18% , 0.01% , 0.36% from , and 1.88% from two or more races. 1.51% of the population were or  of any race.

There were 2,970 households out of which 26.90% had children under the age of 18 living with them, 60.20% were living together, 6.60% had a female householder with no husband present, and 30.40% were non-families. 25.90% of all households were made up of individuals and 10.30% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.80.

In the county, the population was spread out with 24.10% under the age of 18, 6.30% from 18 to 24, 22.40% from 25 to 44, 31.10% from 45 to 64, and 16.00% who were 65 years of age or older. The median age was 43 years. For every 100 females there were 104.40 males. For every 100 females age 18 and over, there were 99.40 males.