There are 42 Social Services Departments in South Dakota, serving a population of 855,444 people in an area of 75,791 square miles. There is 1 Social Services Department per 20,367 people, and 1 Social Services Department per 1,804 square miles.
The state of South Dakota is ranked 1st in Social Services Departments per capita, and 21st in Social Services Departments per square mile.