Warrington, FL has a population of 12,894 and is the 3,226th largest city in the United States. The population density is 1,860 per sq mi which is 533% higher than the Florida average and 1953% higher than the national average. The median age in Warrington is 45 which is approximately 8% higher than the Florida average of 42. In Warrington, 45% of the population over 15 years of age are married, 95% speak English and 4% speak Spanish. 43% of Warrington residents were born in Florida, 53% were born out of state, 2% were born outside of the United States and 3% were foreign born.