Lynn Haven, FL has a population of 19,799 and is the 2,201st largest city in the United States. The population density is 1,888 per sq mi which is 543% higher than the Florida average and 1984% higher than the national average. The median age in Lynn Haven is 38 which is approximately 9% lower than the Florida average of 42. In Lynn Haven, 60% of the population over 15 years of age are married, 93% speak English and 2% speak Spanish. 45% of Lynn Haven residents were born in Florida, 47% were born out of state, 3% were born outside of the United States and 6% were foreign born.