| Dewey County, South Dakota | |
| Map | |
 Location in the state of South Dakota |
|
 South Dakota's location in the USA |
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| Statistics | |
| Founded | 1883 |
|---|---|
| Seat | Timber Lake |
| Area - Total - Land - Water |
2,446 sq mi (6,334 km²) 2,303 sq mi (5,964 km²) 143 sq mi (370 km²), 2.07% |
| Population - (2000) - Density |
5,972 3/sq mi (1/km²) |
| Named for: William P. Dewey | |
Dewey County is a county located in the U.S. state of South Dakota. As of 2000, the population is 5,972. Its county seat is Timber Lake6. It was created in 1883 and was named for William P. Dewey, Territorial surveyor-general from 1873 to 1877.
Contents |
Geography
According to the U.S. Census Bureau, the county has a total area of 2,446 square miles (6,334 km²), of which, 2,303 square miles (5,964 km²) of it is land and 143 square miles (370 km²) of it (5.85%) is water. Almost the entire county lies in the Cheyenne River Indian Reservation. The balance of the county, along its extreme northern county line, lies in the Standing Rock Indian Reservation. It is one of five South Dakota counties that lie entirely on Indian reservations.
Townships
The county is divided into two areas of unorganized territory: North Dewey and South Dewey.
Major Highways
U.S. Highway 212
South Dakota Highway 20
South Dakota Highway 63
South Dakota Highway 65
Adjacent Counties
- Corson County, South Dakota - north
- Walworth County, South Dakota - northeast
- Potter County, South Dakota - east
- Sully County, South Dakota - southeast
- Stanley County, South Dakota - south
- Ziebach County, South Dakota - west
Demographics
| Historical populations | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1910 | 1,145 |
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| 1920 | 4,802 | 319.4% | |
| 1930 | 6,476 | 34.9% | |
| 1940 | 5,709 | -11.8% | |
| 1950 | 4,916 | -13.9% | |
| 1960 | 5,257 | 6.9% | |
| 1970 | 5,170 | -1.7% | |
| 1980 | 5,366 | 3.8% | |
| 1990 | 5,523 | 2.9% | |
| 2000 | 5,972 | 8.1% | |
| Est. 2006 | 6,112 | 2.3% | |
As of the census2 of 2000, there were 5,972 people, 1,863 households, and 1,386 families residing in the county. The population density was 3 people per square mile (1/km²). There were 2,133 housing units at an average density of 1 per square mile (0/km²). The racial makeup of the county was 74.16% Native American, 24.15% White, 0.03% Black or African American, 0.12% Asian, 0.05% Pacific Islander, 0.07% from other races, and 1.42% from two or more races. 0.85% of the population were Hispanic or Latino of any race. There were 1,863 households out of which 43.70% had children under the age of 18 living with them, 42.90% were married couples living together, 22.30% had a female householder with no husband present, and 25.60% were non-families. 22.10% of all households were made up of individuals and 8.90% had someone living alone who was 65 years of age or older. The average household size was 3.15 and the average family size was 3.66. In the county, the population was spread out with 38.90% under the age of 18, 9.00% from 18 to 24, 27.20% from 25 to 44, 16.60% from 45 to 64, and 8.30% who were 65 years of age or older. The median age was 26 years. For every 100 females there were 95.90 males. For every 100 females age 18 and over, there were 95.00 males. The county's per-capita income makes it one of the poorest counties in the United States.
