There are 23 Periodontists in South Dakota, serving a population of 855,444 people in an area of 75,791 square miles. There is 1 Periodontist per 37,193 people, and 1 Periodontist per 3,295 square miles.
The state of South Dakota is ranked 44th in Periodontists per capita, and 48th in Periodontists per square mile.