Dewey County

Also known as Dewey County, South Dakota, Dewey County, SD

county in South Dakota, United States of America

Key facts

Country: United States
State: South Dakota
Founded: 1883 (created), 1910 (organized)
Named after: William P. Dewey
Seat: Timber Lake
Largest community: North Eagle Butte
Total: 2,445 sq mi (6,330 km )
Land: 2,302 sq mi (5,960 km )
Water: 143 sq mi (370 km ) 5.8%
Estimate 2025: 5,419
Density: 2.276/sq mi (0.8787/km )
Time zone: UTC−7 ( Mountain )
Summer dst: UTC−6 ( MDT )
Congressional district: At-large

via Wikipedia infobox

Wikidata facts

Population: 5239
Area: 6334
Image: FOREST CITY BRIDGE, DEWEY COUNTY, SD.jpg
Households: 1731

Show 5 more facts

Commons category: Dewey County, South Dakota
water as percent of area: 5.8
native label: Dewey County
inception: 1883-00-00
per capita income: 17387

Sources (9)

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Article

Dewey County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 5,239. Its county seat is Timber Lake. The county was created in 1883 and organized in 1910. It was named for William P. Dewey, Territorial surveyor-general from 1873 to 1877.

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 Sioux Reservation. It is one of five South Dakota counties that are contained within Indian reservations.