List of all cities and towns in Dewey County
Dewey County is a county in South Dakota, United States.
The population was 5,239 at the time of the 2020 census.
Timber Lake is the county seat.
The county was established in 1883 and incorporated in 1910.
It was named after William P. Dewey, who served as Territorial Surveyor-General from 1873 to 1877.
The Cheyenne River Indian Reservation encompasses nearly the entire county.
The Standing Rock Indian Reservation occupies the remainder of the county along its extreme northern county line.
It is one of five South Dakota counties surrounded by Indian reservations.
The county covers an area of 2,445 square miles (6,330 km2), of which 2,302 square miles (5,960 km2) is land and 143 square miles (370 km2) is water (5.8%).
The eastern counties of South Dakota (48 of 66) follow Central Time, while the western counties (18 of 66) follow Mountain Time.
Dewey County is the most eastern of the South Dakota counties to observe Mountain Time.
Here is a list of cities, towns, places, and villages in Dewey County, South Dakota:
- Bear Creek
- Eagle Butte
- Firesteel
- Glencross
- Green Grass
- Isabel
- La Plant
- Lantry
- Marksville
- Moreau
- North Eagle Butte
- Parade
- Promise
- Ridgeview
- Swift Bird
- Thatcher
- Timber Lake
- Trail City
- Virginia
- Whitehorse
- Yellowhorse Ford