Minnehaha County is a county on the eastern border of the state of South Dakota. As of the 2020 census, the population was 197,214, making it the state's most populous county. It contains over 20% of the state's population. Its county seat is Sioux Falls, South Dakota's largest city. The county was created in 1862 and organized in 1868. Its name was derived from the Sioux word Mnihaha, meaning "rapid water," or "waterfall".
Bennett County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 3,381. Its county seat is Martin. The county lies completely within the exterior boundary of the Pine Ridge Indian Reservation. To the east is the Rosebud Indian Reservation, occupied by Sicangu Oyate, also known the Upper Brulé Sioux Nation and the Rosebud Sioux Tribe (RST), a branch of the Lakota people.
Oliver County is a county located in the U.S. state of North Dakota. As of the 2020 census, the population was 1,877. Its county seat and only city is Center.
Griggs County is a county in the U.S. state of North Dakota. As of the 2020 census, the population was 2,306. Its county seat is Cooperstown.
Allen is a census-designated place on the Pine Ridge Indian Reservation in Bennett County, South Dakota, United States, that was named for the Allen Township, which it encompasses. As of the 2020 census, the CDP had a population of 460. It is one of two places which are closest to the North American continental pole of inaccessibility.
Martin is a city and the county seat of Bennett County, South Dakota, United States. The population was 938 at the 2020 census.
Webster is a city in and the county seat of Day County, South Dakota, United States. The population was 1,728 at the 2020 census.
Burke is a city in and county seat of Gregory County, South Dakota, United States. The population was 575 at the 2020 census.
Leola is a small city in, and the county seat of, McPherson County, South Dakota, United States. It was founded on May 1, 1884, and named for Leola Haynes, daughter of one of the town's founders. The population was 434 as of the 2020 census.
Baltic is a city on the Big Sioux River in northern Minnehaha County, South Dakota, United States. The population was 1,246 at the 2020 census.
FlandreauFLAN-droo is a city in and county seat of Moody County, South Dakota, United States. The population was 2,372 at the 2020 census. It was named in honor of Charles Eugene Flandrau, a judge in the territory and state of Minnesota. He is credited with saving the community of New Ulm, Minnesota, from destruction during conflict with the Sioux tribe in 1862.
Sisseton is a city in Roberts County, South Dakota, United States. The population was 2,479 at the 2020 census. It is the county seat of Roberts County. Sisseton is the home to a number of tourist attractions, including the Nicollet Tower, and is near the "Song to the Great Spirit" building on the Sisseton Wahpeton College campus. The city is named for the Sisseton division of the Native American Sioux. It also serves as an important part of the Lake Traverse Indian Reservation.
Pine Ridge is a census-designated place (CDP) and the most populous community in Oglala Lakota County, South Dakota, United States. The population was 3,138 at the 2020 census. It is the tribal headquarters of the Oglala Sioux Tribe on the Pine Ridge Indian Reservation.
Elk Point is a city in and county seat of Union County, South Dakota, United States. The population was 2,149 as of the 2020 census.
Eagle Butte is a city in Dewey and Ziebach counties in South Dakota, United States. The population was 1,258 at the 2020 census.
Lantry is an unincorporated community and a census-designated place (CDP) in Dewey County, South Dakota, United States. Lantry has been assigned the ZIP code of 57636. The population of the CDP was 33 at the 2020 census.
Blackpipe is an unincorporated community in Bennett County, South Dakota, United States. GNIS also states a post office was there in 1940.
Forestburg is an unincorporated town and census-designated place in Sanborn County, South Dakota, United States. The population was 54 at the 2020 census.
Harrington is an unincorporated community in Bennett County, in the U.S. state of South Dakota.
Vetal is an unincorporated community in Bennett County, in the U.S. state of South Dakota.
