St. Cloud, FL has a population of 44,198 and is the 925th largest city in the United States. The population density is 2,312 per sq mi which is 687% higher than the Florida average and 2452% higher than the national average. The median age in St. Cloud is 38 which is approximately 9% lower than the Florida average of 42. In St. Cloud, 55% of the population over 15 years of age are married, 68% speak English and 29% speak Spanish. 29% of St. Cloud residents were born in Florida, 51% were born out of state, 9% were born outside of the United States and 11% were foreign born.