South Dakota has a population of 864,289. In the year 2020, there were 66,498 firearms sold in South Dakota. That's one firearm sold for every 13.0 people in the state. South Dakota ranks in the #13 position in terms of per capita gun sales, and in the #42 position in absolute firearm sales for the most recent year. For every McDonald’s restaurant in South Dakota there are 13.19 gun dealers.