Mexico Beach, FL has a population of 1,341 and is the 13,355th largest city in the United States. The population density is 756 per sq mi which is 157% higher than the Florida average and 734% higher than the national average. The median age in Mexico Beach is 58 which is approximately 39% higher than the Florida average of 42. In Mexico Beach, 73% of the population over 15 years of age are married, 96% speak English and 0% speak Spanish. 18% of Mexico Beach residents were born in Florida, 74% were born out of state, 4% were born outside of the United States and 5% were foreign born.