Clermont, FL has a population of 31,171 and is the 1,364th largest city in the United States. The population density is 2,186 per sq mi which is 645% higher than the Florida average and 2313% higher than the national average. The median age in Clermont is 42 which is approximately equal to the Florida average of 42. In Clermont, 61% of the population over 15 years of age are married, 81% speak English and 16% speak Spanish. 29% of Clermont residents were born in Florida, 52% were born out of state, 7% were born outside of the United States and 12% were foreign born.