Mellette County

Mellette County is an administrative division in central South Dakota featuring rolling terrain, scattered lakes, and farmland. The county has White River as its administrative center and supports a rural population distributed across its area.

The county was established in 1909 and named after Arthur C. Mellette, the final territorial governor who later became the region's first state governor. This naming reflected his important role in the development of South Dakota.

The land carries strong Native American presence, with a substantial portion designated as part of the Rosebud Indian Reservation. This heritage shapes the community's character and the way people live together in the region.

Visitors should expect distances between locations since this is rural agricultural land with sparse settlement. Services and facilities cluster around White River, making it the logical center point for any administrative or supply needs.

Nearly half the population has Native American ancestry, making this one of the areas with the highest Indigenous representation in the state. This distinctive demographic shape gives the county a unique cultural and social character.

Location: South Dakota

Inception: 1909

Capital city: White River

Elevation above the sea: 618 m

Shares border with: Jones County, Lyman County, Tripp County, Todd County, Jackson County, Bennett County

GPS coordinates: 43.58000,-100.76000

Latest update: December 10, 2025 15:48