South Dakota Map (SD Map)

Written and fact-checked by | Last Updated: May 25, 2026

South Dakota Map: South Dakota is a state in the North Central region of the United States. South Dakota is the the 5th least populous and 17th largest U.S. state in area. It covers an area of 77,116 sq mi (199,729 km2), with population of 886,667 people as of 2020 Census.

Map of South Dakota with Cities, Road, River, Highways

About South Dakota State Map

South Dakota Map: The state of South Dakota is located in the North Central part of the US. It is a portion of the Great Plains as well. Although South Dakota is the fifth least populous and fifth least densely populated state of the 50, it is the seventeenth largest state in terms of area. South Dakota shares borders with North Dakota in the north, Minnesota in east, Iowa in southeast, Nebraska in south, Wyoming in west and Montana in northwest. The map of South Dakota indicates all these borders. South Dakota is divided into two geographically and racially separate portions by the Missouri River, which is referred to by locals as "East River" and "West River." The largest city in South Dakota is Sioux Falls, while Pierre serves as the state capital. These cities can be seen clearly in the South Dakota map.

South Dakota Map

The detailed South Dakota map depicts the state's borders, the location of Pierre City, which is the state capital, significant cities and other populated regions, rivers and lakes, major highways, interstates, railroads, and airports. The South Dakota map on this website can be used for both educational and non-educational purposes. It is provided free of cost.

South Dakota Map Illustrates Major Cities

The major cities of South Dakota are shown in the map of South Dakota. Major cities like Aberdeen, Brookings, Huron, Mitchell, Pierre, Rapid City, Sioux Falls, Vermillion, Watertown, and Yankton can be identified in the South Dakota Map. The location of these cities and other towns is indicated in the map of South Dakota.

South Dakota Map Indicates National Highways & Routes of the State

The South Dakota map outlines all of the National Highways and Routes, which serve as the state's transportation network. The details of National Highways and Routes are provided below.

South Dakota State Facts

State NameSouth Dakota
NicknameThe Mount Rushmore State
CountryUnited States
ContinentNorth America
Capital CityPierre
Largest CitySioux Falls
AbbreviationSD
State MottoUnder God the People Rule
Bordering StatesNorth Dakota, Minnesota, Iowa, Nebraska, Wyoming, Montana
State FlowerPasque Flower
State BirdRing-necked Pheasant
State AnimalCoyote
Joined the UnionNovember 2, 1889
Area77,116 sq mi (199,729 sq km)
Major CitiesSioux Falls, Rapid City, Aberdeen, Brookings, Watertown
TimezoneCentral Time Zone, Mountain Time Zone
Population886,667 (2020 Census)
Highest PointBlack Elk Peak - 7,242 ft (2,207 m)
Lowest PointBig Stone Lake - 966 ft (294 m)
Major RiversMissouri River, Cheyenne River, James River, Big Sioux River, White River
Major LakesLake Oahe, Lake Sharpe, Pactola Lake, Lewis and Clark Lake, Big Stone Lake
Longest RiverMissouri River
Famous ForMount Rushmore, Badlands, Black Hills, Sturgis Motorcycle Rally, prairie landscapes
AirportsSioux Falls Regional Airport, Rapid City Regional Airport, Pierre Regional Airport
Major Sports TeamSouth Dakota State Jackrabbits, South Dakota Coyotes
Major HighwaysUS Highway 12, US Highway 14, US Highway 16, US Highway 18, US Highway 83
State RoutesSouth Dakota Highway 34, South Dakota Highway 44, South Dakota Highway 50, South Dakota Highway 79, South Dakota Highway 87
Official Websitehttps://sd.gov

List of the Largest Cities in South Dakota by Population

CityCountyPopulation (2020 Census)Lat Long
Sioux FallsMinnehaha County192,51743.5446,-96.7311
Rapid CityPennington County74,70344.0805,-103.2310
AberdeenBrown County28,49545.4647,-98.4865
BrookingsBrookings County24,31244.3114,-96.7984
WatertownCodington County22,65544.8994,-97.1151
MitchellDavison County15,66043.7094,-98.0298
YanktonYankton County14,45642.8711,-97.3973
PierreHughes County14,09144.3683,-100.3510
HuronBeadle County14,26344.3633,-98.2143
SpearfishLawrence County12,19344.4908,-103.8594

South Dakota Interstates

North-South interstates include: Interstate 29.

East-West interstates include: Interstate 90 and Interstate 190.

South Dakota State Routes

South Dakota Highway 34, South Dakota Highway 44, South Dakota Highway 50, South Dakota Highway 79, South Dakota Highway 87, South Dakota Highway 1806, South Dakota Highway 240.

Regions in South Dakota

  • Black Hills
  • Badlands
  • Missouri River Valley
  • Glacial Lakes Region
  • Prairie Coteau
  • Great Plains
  • James River Valley
  • Native American Reservations Region

Main Sights in South Dakota

  • Mount Rushmore National Memorial - Keystone
  • Badlands National Park - Interior
  • Custer State Park - Custer
  • Crazy Horse Memorial - Crazy Horse
  • Wind Cave National Park - Hot Springs
  • Jewel Cave National Monument - Custer
  • Deadwood Historic District - Deadwood
  • Falls Park - Sioux Falls
  • Wall Drug Store - Wall
  • Needles Highway - Black Hills
  • Missouri River Scenic Byway - Central South Dakota
  • Spearfish Canyon - Spearfish

National Parks in South Dakota

  • Badlands National Park
  • Wind Cave National Park
  • Mount Rushmore National Memorial
  • Jewel Cave National Monument
  • Minuteman Missile National Historic Site
  • Missouri National Recreational River