Mission Hill, SD has a population of 278 and is the 22,873rd largest city in the United States. The population density is 847 per sq mi which is 7739% higher than the South Dakota average and 835% higher than the national average. The median age in Mission Hill is 32 which is approximately 14% lower than the South Dakota average of 37. In Mission Hill, 58% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 76% of Mission Hill residents were born in South Dakota, 24% were born out of state, 0% were born outside of the United States and 0% were foreign born.