Parmelee, SD has a population of 728 and is the 17,229th largest city in the United States. The population density is 127 per sq mi which is 1079% higher than the South Dakota average and 41% higher than the national average. The median age in Parmelee is 18 which is approximately 50% lower than the South Dakota average of 37. In Parmelee, 29% of the population over 15 years of age are married, 83% speak English and 0% speak Spanish. 79% of Parmelee residents were born in South Dakota, 21% were born out of state, 0% were born outside of the United States and 0% were foreign born.