Dunnellon, FL has a population of 1,910 and is the 11,286th largest city in the United States. The population density is 306 per sq mi which is 25% lower than the Florida average and 238% higher than the national average. The median age in Dunnellon is 57 which is approximately 36% higher than the Florida average of 42. In Dunnellon, 55% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 44% of Dunnellon residents were born in Florida, 50% were born out of state, 5% were born outside of the United States and 1% were foreign born.