Jasper, FL has a population of 4,207 and is the 7,214th largest city in the United States. The population density is 1,833 per sq mi which is 524% higher than the Florida average and 1924% higher than the national average. The median age in Jasper is 35 which is approximately 16% lower than the Florida average of 42. In Jasper, 27% of the population over 15 years of age are married, 84% speak English and 10% speak Spanish. 59% of Jasper residents were born in Florida, 32% were born out of state, 2% were born outside of the United States and 6% were foreign born.