Eden, SD has a population of 113 and is the 26,603rd largest city in the United States. The population density is 736 per sq mi which is 6707% higher than the South Dakota average and 712% higher than the national average. The median age in Eden is 40 which is approximately 8% higher than the South Dakota average of 37. In Eden, 67% of the population over 15 years of age are married, 95% speak English and 0% speak Spanish. 84% of Eden residents were born in South Dakota, 12% were born out of state, 0% were born outside of the United States and 4% were foreign born.