Limestone, FL has a population of 112 and is the 26,619th largest city in the United States. The population density is 5 per sq mi which is 98% lower than the Florida average and 95% lower than the national average. The median age in Limestone is 67 which is approximately 61% higher than the Florida average of 42. In Limestone, 65% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 36% of Limestone residents were born in Florida, 55% were born out of state, 0% were born outside of the United States and 9% were foreign born.