Lake Belvedere Estates, FL has a population of 3,878 and is the 7,582nd largest city in the United States. The population density is 6,754 per sq mi which is 2200% higher than the Florida average and 7355% higher than the national average. The median age in Lake Belvedere Estates is 31 which is approximately 26% lower than the Florida average of 42. In Lake Belvedere Estates, 59% of the population over 15 years of age are married, 48% speak English and 32% speak Spanish. 44% of Lake Belvedere Estates residents were born in Florida, 20% were born out of state, 2% were born outside of the United States and 35% were foreign born.