Fort Pierce North, FL has a population of 7,365 and is the 4,999th largest city in the United States. The population density is 1,740 per sq mi which is 493% higher than the Florida average and 1820% higher than the national average. The median age in Fort Pierce North is 39 which is approximately 6% lower than the Florida average of 42. In Fort Pierce North, 43% of the population over 15 years of age are married, 89% speak English and 8% speak Spanish. 70% of Fort Pierce North residents were born in Florida, 21% were born out of state, 1% were born outside of the United States and 8% were foreign born.