Hutchinson Island South, FL has a population of 5,209 and is the 6,277th largest city in the United States. The population density is 1,210 per sq mi which is 312% higher than the Florida average and 1235% higher than the national average. The median age in Hutchinson Island South is 71 which is approximately 72% higher than the Florida average of 42. In Hutchinson Island South, 77% of the population over 15 years of age are married, 95% speak English and 2% speak Spanish. 4% of Hutchinson Island South residents were born in Florida, 86% were born out of state, 1% were born outside of the United States and 10% were foreign born.