South Dakota is one of the smallest states in the country by population. According to 2017 estimates, the population of South Dakota is 868,799 residents. This state has just one city with a population of more than 100,000. This is Sioux Falls, with a total population of 171,544. There are ten cities with populations of at least 10,000, including the capital city of Pierre, which has 14,002 residents and is ranked 8th in the state in terms of population.
Incorporated municipalities in South Dakota can be classified as either cities or towns. There is one village in the state, which is Wentworth. Two cities are tied for the smallest population. Hillsview in McPherson County and White Rock in Roberts County each have a population of just three people. There are multiple other cities throughout the state that have populations of less than 100 people, including Lily in Day County with a population of four and Verdon in Brown County with a population of five inhabitants.