Springfield, FL has a population of 9,318 and is the 4,148th largest city in the United States. The population density is 2,158 per sq mi which is 635% higher than the Florida average and 2282% higher than the national average. The median age in Springfield is 37 which is approximately 10% lower than the Florida average of 42. In Springfield, 42% of the population over 15 years of age are married, 94% speak English and 4% speak Spanish. 52% of Springfield residents were born in Florida, 41% were born out of state, 3% were born outside of the United States and 5% were foreign born.