Matlacha, FL has a population of 938 and is the 15,530th largest city in the United States. The population density is 4,699 per sq mi which is 1501% higher than the Florida average and 5087% higher than the national average. The median age in Matlacha is 66 which is approximately 59% higher than the Florida average of 42. In Matlacha, 58% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 6% of Matlacha residents were born in Florida, 92% were born out of state, 0% were born outside of the United States and 2% were foreign born.