Trinity, FL has a population of 10,334 and is the 3,860th largest city in the United States. The population density is 2,310 per sq mi which is 463% higher than the Florida average and 2450% higher than the national average. The median age in Trinity is 48 which is approximately 16% higher than the Florida average of 42. In Trinity, 72% of the population over 15 years of age are married, 90% speak English and 2% speak Spanish. 25% of Trinity residents were born in Florida, 65% were born out of state, 2% were born outside of the United States and 8% were foreign born.