There are 51 Laundromats in South Dakota, serving a population of 855,444 people in an area of 75,791 square miles. There is 1 Laundromat per 16,773 people, and 1 Laundromat per 1,486 square miles.
The state of South Dakota is ranked 33rd in Laundromats per capita, and 50th in Laundromats per square mile.