Mission is a city on the Rosebud Indian Reservation in northern Todd County, South Dakota, United States. The population was 1,182 at the 2010 census. Mission is home of the Sinte Gleska University. It is the largest incorporated community in the county, but is smaller than the unincorporated community of Rosebud, the capital of the Rosebud Sioux Tribe. Mission is named for one of the many missions established by religious groups in the late 19th... Show more

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