Lakeland Highlands, FL has a population of 12,426 and is the 3,323rd largest city in the United States. The population density is 2,557 per sq mi which is 771% higher than the Florida average and 2722% higher than the national average. The median age in Lakeland Highlands is 44 which is approximately 7% higher than the Florida average of 42. In Lakeland Highlands, 65% of the population over 15 years of age are married, 89% speak English and 8% speak Spanish. 44% of Lakeland Highlands residents were born in Florida, 45% were born out of state, 2% were born outside of the United States and 9% were foreign born.