Dewey County, South Dakota

Dewey County: County in South Dakota, United States of America

About

Dewey County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 5,301 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 5,789 inhabitants. Its county seat is Timber Lake. The county was created 141 years ago in 1882.

Dewey County locator map
Location of Dewey County on South Dakota map.

Quick Facts about Dewey County

Population : 5,789 (2020)
Country : United States of America
State : South Dakota (United States)
Different from : Dewey, Dewey County
Area : 6334 km2
Water as percent of area : 5.8%
Land as percent of area : 94.2%
Capital : Timber Lake
Establishment : January 01, 1883
Time Zone : America/Denver
Local time : 19:19:52 (21st December 2024)
Density : 1 Pop. per km² as of 2020
Population growth : 8.43% (2010-2020)
FOREST CITY BRIDGE  DEWEY COUNTY  SD image
FOREST CITY BRIDGE DEWEY COUNTY SD
FOREST CITY BRIDGE  DEWEY COUNTY  SD image

Geography

Dewey County is located at 45°9'24"N 100°52'19"W (45.1566200, -100.8718600). It has 6 neighbors: Potter County, Walworth County, Corson County, Stanley County, Sully County and Ziebach County.

Dewey County map

The largest city of Dewey County is Eagle Butte with a population of 1,418. Other cities include, Timber Lake population 491 and Firesteel population 35. See all Dewey County cities & populated places.

Dewey County Populated Places

Cities, towns, neighborhoods & other populated places in Dewey County.

City Name Population Title
North Eagle Butte 1,954 Census designated place in Dewey County, South Dakota, United States
Eagle Butte 1,418 City in Dewey and Ziebach counties in South Dakota, United States
Timber Lake 491 City in and county seat of Dewey County, South Dakota, United States
Virginia 292 Township in Union County, South Dakota
Isabel 150 Town in Dewey County, South Dakota, United States
Firesteel 35 Unincorporated community in South Dakota
Moreau 27 Township in Perkins County, South Dakota

Dewey County has 6 neighbours.

  • Timber Lake

Demographics

The population of Dewey County increased by 8.43% in 10 years.

Year Population % Change Method
2010 5,301 - census
2011 5,399 1.82% estimation process
2012 5,534 2.44% estimation process
2013 5,586 0.93% estimation process
2014 5,668 1.45% estimation process
2015 5,705 0.65% estimation process
2016 5,785 1.38% estimation process
2017 5,857 1.23% estimation process
2018 5,925 1.15% estimation process
2019 5,892 -0.56% estimation process
2020 5,789 -1.78% estimation process

Comitatul Dewey, Comte de Dewey, Comté de Dewey, Condado de Dewey, Condado han Dewey, Contea di Dewey, D'jui, Dewey, Dewey Kun, Dewey Kūn, Dewey konderria, Dewey maakond, Dewey megye, Djui, Dui srjan, Hrabstwo Dewey, Okrug Djui, Quan Dewey, Quận Dewey, de~yui jun, dirai ka'unti, du wei xian, mqatʿt dywy, shhrstan dywyy dakwtay jnwby, Дьюи, Дьюї, Дюи, Округ Дјуи, Դուի շրջան, شهرستان دیویی، داکوتای جنوبی, مقاطعة ديوي, ڈیوی کاؤنٹی, ڈیوی کاؤنٹی، جنوبی ڈکوٹا, ডিৱি কাউন্টি, デューイ郡, 杜威縣

Other places with the same name (2)

South Dakota Other Counties (more counties)

County Name Population Title
Minnehaha County 196,659 County in South Dakota, United States of America
Sioux Falls 157,584 The largest city in South Dakota.
Pennington County 115,926 County in South Dakota, United States of America
Rapid City 77,503 The second most populous city in South Dakota.
Lincoln County 63,019 County in South Dakota, United States
Brown County 38,738 County in South Dakota, United States
Brookings County 35,603 County in South Dakota, United States of America
Meade County 28,588 County in South Dakota, United States
Codington County 28,186 County in South Dakota, United States of America
Lawrence County 26,221 County in South Dakota, United States
Yankton County 22,742 County in South Dakota, United States
Watertown 22,303 City in and county seat of Codington County, South Dakota, United States
Davison County 19,812 County in South Dakota, United States of America
Beadle County 18,513 County in South Dakota, United States
Hughes County 17,336 County in Oklahoma, United States
Union County 16,192 County in South Dakota, United States