South Gate Ridge, FL has a population of 6,212 and is the 5,626th largest city in the United States. The population density is 3,561 per sq mi which is 1113% higher than the Florida average and 3831% higher than the national average. The median age in South Gate Ridge is 44 which is approximately 6% higher than the Florida average of 42. In South Gate Ridge, 54% of the population over 15 years of age are married, 88% speak English and 6% speak Spanish. 33% of South Gate Ridge residents were born in Florida, 57% were born out of state, 1% were born outside of the United States and 9% were foreign born.