Mellette County, South Dakota

Mellette County: County in South Dakota, United States

About

Mellette County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 2,048 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 2,089 inhabitants. Its county seat is White River. The county was created 116 years ago in 1908.

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

Quick Facts about Mellette County

Population : 2,089 (2020)
Country : United States of America
State : South Dakota (United States)
Different from : Mellette
Area : 3392 km2
Water as percent of area : 0.3%
Land as percent of area : 99.7%
Named for : Arthur C. Mellette
Altitude : 2,083 feet / 635 meters
Capital : White River
Establishment : January 01, 1909
Time Zone : America/Chicago
Local time : 11:57:53 (22nd February 2025)
Density : 1 Pop. per km² as of 2020
Population growth : 1.96% (2010-2020)
Map of South Dakota highlighting Mellette County locator map image
Map of South Dakota highlighting Mellette County
Map of South Dakota highlighting Mellette County locator map image
Map of South Dakota highlighting Mellette County locator map image

Geography

Mellette County is located at 43°34'53"N 100°45'36"W (43.5812700, -100.7599900). It has 5 neighbors: Jones County, Lyman County, Tripp County, Jackson County and Todd County.

Mellette County map

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The largest city of Mellette County is White River with a population of 586. Other cities include and Cedar Butte population 47. See all Mellette County cities & populated places.

Mellette County Populated Places

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

City Name Population Title
White River 586 City and seat of Mellette County, South Dakota, United States
Norris 196 Census-designated place in Mellette County, South Dakota
Wood 63 Town in South Dakota, United States of America
Cedar Butte 47 Human settlement in United States of America
Mosher 24 Township in Mellette County, South Dakota

Mellette County has 5 neighbours.

  • White River

Demographics

The population of Mellette County increased by 1.96% in 10 years.

Year Population % Change Method
2010 2,048 - census
2011 2,072 1.16% estimation process
2012 2,051 -1.02% estimation process
2013 2,047 -0.2% estimation process
2014 2,067 0.97% estimation process
2015 2,025 -2.07% estimation process
2016 2,076 2.46% estimation process
2017 2,063 -0.63% estimation process
2018 2,034 -1.43% estimation process
2019 2,061 1.31% estimation process
2020 2,089 1.34% estimation process

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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.
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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