Badlands National Park, Mount Rushmore National Monument, Custer State Park, Crazy Horse Memorial, Mammoth Site, Wind Cave National Park, Homestake Gold Mine and Spearfish Canyon are great areas to visit in South Dakota. The state has a border with Minnesota, North Dakota, Montana, Wyoming, Nebraska and Iowa. The state is ranked 46th with respect to population. South Dakota has a population of 865,454 in 2016. The education system of the state handles the primary, secondary and other higher places of learning. From January 2016 until today, the plate code of South Dakota is 1A1 234 and 10A 123.