Orient, SD has a population of 54 and is the 28,087th largest city in the United States. The population density is 184 per sq mi which is 1601% higher than the South Dakota average and 103% higher than the national average. The median age in Orient is 54 which is approximately 46% higher than the South Dakota average of 37. In Orient, 68% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 85% of Orient residents were born in South Dakota, 15% were born out of state, 0% were born outside of the United States and 0% were foreign born.