South Dakota County Maps: Interactive History & Complete List

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Map of South Dakota Counties
Map of South Dakota county boundaries and county seats

Maps of South Dakota are a vital element when it comes to researching your family history, especially if you live far away from where your ancestor lived.

Since South Dakota’s political borders have often changed over the years, historic maps are critical in helping you discover the precise specific location of your ancestor’s hometown, what land they owned, just who his or her neighbors happen to be, and much more information as well.

Maps of South Dakota are an exceptional tool for starting out with your research since they provide you with useful information and facts instantly and present them in a clearly understandable format. South Dakota Maps can be a major source of considerable amounts of data regarding family history.

South Dakota’s 10 largest major cities are Sioux Falls, Rapid City, Aberdeen, Brookings, Watertown, Mitchell, Yankton, Pierre, Huron, and Vermillion.

Learn more historical facts about South Dakota counties here.

Interactive Map of South Dakota County Formation History

AniMap Plus 3.0, with the permission of the Goldbug Company


List of Every South Dakota County

Aurora County

Established in 1879, Aurora County has a population of approximately 2,700 residents. It is located in the east-central part of the state.

Beadle County

Beadle County was established in 1879 and has a population of around 18,500 people. It is located in the east-central part of the state.

Bennett County

Located in the southwestern part of South Dakota, Bennett County is home to around 3,400 people. It was founded in 1909.

Bon Homme County

Established in 1862, Bon Homme County is situated in the southeastern part of the state and has around 7,000 residents.

Brookings County

Brookings County was established in 1862 and is home to approximately 35,000 people. It is located in the eastern part of the state.

Brown County

Situated in the northeastern part of the state, Brown County was established in 1879 and has a population of around 38,000 residents.

Brule County

Brule County has approximately 5,200 residents and was founded in 1875. It is located in the central part of the state.

Buffalo County

Located in the north-central part of South Dakota, Buffalo County has a population of around 2,000 residents. It was established in 1873.

Butte County

Established in 1883, Butte County is located in the northwestern part of the state and is home to around 10,000 people.

Campbell County

Located in the north-central part of the state, Campbell County has a population of around 1,500 residents. It was founded in 1873.

Charles Mix County

Charles Mix County was established in 1862 and has approximately 9,300 residents. It is located in the southeastern part of the state.

Clark County

Clark County has a population of around 3,600 people and was established in 1873. It is situated in the northeastern part of the state.

Clay County

Established in 1862, Clay County is located in the southeastern part of the state and is home to approximately 15,500 residents.

Codington County

Codington County was founded in 1877 and has a population of around 28,000 people. It is located in the northeastern part of the state.

Corson County

Situated in the northwestern part of South Dakota, Corson County has around 4,100 residents. It was established in 1909.

Custer County

Custer County has a population of approximately 9,000 people and was founded in 1875. It is located in the southwestern part of the state.

Davison County

Established in 1873, Davison County is situated in the southeastern part of the state and has around 19,000 residents.

Day County

Day County was established in 1879 and has a population of approximately 5,500 people. It is located in the northeastern part of the state.

Deuel County

Located in the northeastern part of South Dakota, Deuel County is home to around 4,300 residents. It was established in 1862.

Dewey County

Dewey County has a population of approximately 5,800 people and was founded in 1883. It is located in the northwestern part of the state.

Douglas County

Established in 1873, Douglas County is located in the central part of the state and has around 3,100 residents.

Edmunds County

Situated in the north-central part of South Dakota, Edmunds County has a population of around 4,000 residents. It was established in 1873.

Fall River County

Fall River County was established in 1883 and is home to approximately 7,000 people. It is located in the southwestern part of the state.

Faulk County

Faulk County has a population of around 2,300 people and was founded in 1873. It is located in the north-central part of the state.

Grant County

Established in 1873, Grant County is located in the northeastern part of the state and has around 7,300 residents.

Gregory County

Located in the southeastern part of South Dakota, Gregory County has a population of around 4,200 residents. It was established in 1862.

Haakon County

Haakon County has a population of approximately 2,100 people and was established in 1914. It is located in the central part of the state.

Hamlin County

Founded in 1873, Hamlin County is located in the eastern part of the state and has a population of around 6,000.

Hand County

Hand County has a population of around 3,300 people and was founded in 1873. It is located in the east-central part of the state.

Hanson County

Situated in the southeastern part of South Dakota, Hanson County has a population of around 3,400 residents. It was established in 1871.

Harding County

Harding County was established in 1909 and has approximately 1,200 residents. It is located in the northwestern part of the state.

Hughes County

Hughes County is home to around 18,000 people and was founded in 1880. It is located in the central part of the state.

Hutchinson County

Established in 1862, Hutchinson County is situated in the southeastern part of the state and has a population of around 7,000 residents.

Hyde County

Located in the east-central part of South Dakota, Hyde County has a population of around 1,300 residents. It was founded in 1873.

Jackson County

Jackson County has approximately 3,200 residents and was established in 1883. It is located in the southwestern part of the state.

Jerauld County

Founded in 1883, Jerauld County is located in the east-central part of the state and has a population of around 2,000 residents.

Jones County

Located in the central part of South Dakota, Jones County has around 1,000 residents. It was established in 1916.

Kingsbury County

Kingsbury County has a population of approximately 5,000 people and was established in 1873. It is located in the eastern part of the state.

Lake County

Established in 1873, Lake County is situated in the southeastern part of the state and has a population of around 12,000 residents.

Lawrence County

Located in the western part of South Dakota, Lawrence County is home to around 25,000 people. It was established in 1877.

Lincoln County

Founded in 1867, Lincoln County is located in the southeastern part of the state and has a population of around 63,000 residents. It is one of the most populous counties in South Dakota.

Lyman County

Lyman County is home to around 3,800 people and was established in 1873. It is located in the central part of the state.

Marshall County

Situated in the northeastern part of South Dakota, Marshall County has around 4,700 residents. It was established in 1885.

McCook County

Established in 1873, McCook County is located in the east-central part of the state and has a population of around 5,700 residents.

McPherson County

McPherson County has a population of around 2,400 people and was founded in 1873. It is located in the north-central part of the state.

Meade County

Meade County is situated in the western part of South Dakota and has around 29,000 residents. It was established in 1889.

Mellette County

Established in 1909, Mellette County is located in the southwestern part of the state and has a population of around 2,000 residents.

Miner County

Situated in the east-central part of South Dakota, Miner County has a population of around 2,300 residents. It was established in 1873.

Minnehaha County

Minnehaha County is located in the southeastern part of the state and has a population of around 200,000. It was founded in 1862 and is the most populous county in South Dakota.

Moody County

Established in 1873, Moody County is located in the eastern part of the state and has a population of around 6,500 residents.

Oglala Lakota County

Oglala Lakota County, formerly known as Shannon County, is situated in the southwestern part of South Dakota and has around 14,000 residents. It was established in 1875.

Pennington County

Pennington County has a population of around 116,000 people and is located in the western part of the state. It was established in 1875 and is home to Rapid City, the second-largest city in South Dakota.

Perkins County

Founded in 1908, Perkins County is located in the northwestern part of the state and has around 2,900 residents.

Potter County

Potter County is home to around 2,000 people and was established in 1875. It is located in the north-central part of the state.

Roberts County

Situated in the northeastern part of South Dakota, Roberts County has around 10,000 residents. It was established in 1883.

Sanborn County

Established in 1883, Sanborn County is located in the east-central part of the state and has a population of around 2,400 residents.

Spink County

Spink County has a population of around 6,500 people and was founded in 1873. It is located in the north-central part of the state.

Stanley County

Situated in the central part of South Dakota, Stanley County has a population of around 3,100. It was established in 1873.

Sully County

Sully County has around 1,400 residents and was established in 1873. It is located in the central part of the state.

Todd County

Todd County is situated in the southern part of South Dakota and has a population of around 10,000 residents. It was established in 1909.

Tripp County

Founded in 1873, Tripp County is located in the southern part of the state and has around 5,400 residents.

Turner County

Located in the southeastern part of South Dakota, Turner County is home to around 8,000 people. It was established in 1871.

Union County

Union County is located in the southeastern part of the state and has a population of around 16,000 residents. It was established in 1862.

Walworth County

Established in 1873, Walworth County is situated in the north-central part of South Dakota and has a population of around 5,000 residents.

Yankton County

Yankton County has a population of around 22,000 and is located in the southeastern part of the state. It was established in 1862 and is home to the city of Yankton, the former territorial capital of Dakota Territory.

Ziebach County

Ziebach County is situated in the northwestern part of South Dakota and has around 2,700 residents. It was founded in 1911 and is the last county to be created in the state.

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Caleb Pike
About the author

Caleb Pike is an avid hiker and nature lover, with a passion for exploring the great outdoors. He's a writer, photographer, and adventurer, always seeking new trails to blaze and peaks to conquer.