Spring Hill, IN has a population of 77 and is the 27,484th largest city in the United States. The population density is 719 per sq mi which is 300% higher than the Indiana average and 693% higher than the national average. The median age in Spring Hill is 69 which is approximately 83% higher than the Indiana average of 37. In Spring Hill, 57% of the population over 15 years of age are married, 92% speak English and 0% speak Spanish. 35% of Spring Hill residents were born in Indiana, 53% were born out of state, 1% were born outside of the United States and 10% were foreign born.