Princeton, FL has a population of 27,799 and is the 1,539th largest city in the United States. The population density is 3,747 per sq mi which is 1176% higher than the Florida average and 4036% higher than the national average. The median age in Princeton is 32 which is approximately 23% lower than the Florida average of 42. In Princeton, 43% of the population over 15 years of age are married, 34% speak English and 64% speak Spanish. 43% of Princeton residents were born in Florida, 14% were born out of state, 3% were born outside of the United States and 39% were foreign born.