Buenaventura Lakes, FL has a population of 31,588 and is the 1,351st largest city in the United States. The population density is 5,660 per sq mi which is 1828% higher than the Florida average and 6147% higher than the national average. The median age in Buenaventura Lakes is 35 which is approximately 15% lower than the Florida average of 42. In Buenaventura Lakes, 49% of the population over 15 years of age are married, 33% speak English and 63% speak Spanish. 21% of Buenaventura Lakes residents were born in Florida, 27% were born out of state, 28% were born outside of the United States and 24% were foreign born.