Washington Park, FL has a population of 1,479 and is the 12,772nd largest city in the United States. The population density is 3,632 per sq mi which is 1137% higher than the Florida average and 3909% higher than the national average. The median age in Washington Park is 41 which is approximately 2% lower than the Florida average of 42. In Washington Park, 42% of the population over 15 years of age are married, 92% speak English and 6% speak Spanish. 61% of Washington Park residents were born in Florida, 26% were born out of state, 1% were born outside of the United States and 12% were foreign born.