Fernandina Beach is a city located in Florida. With a 2020 population of 13,106, it is the 152nd largest city in Florida and the 2549th largest city in the United States. Fernandina Beach is currently growing at a rate of 2.14% annually and its population has increased by 14.09% since the most recent census, which recorded a population of 11,487 in 2010. Spanning over 12 miles, Fernandina Beach has a population density of 1,146 people per square mile.
The average household income in Fernandina Beach is $90,140 with a poverty rate of 12.41%. The median rental costs in recent years comes to $1,273 per month, and the median house value is $316,500. The median age in Fernandina Beach is 54.8 years, 53.5 years for males, and 56.9 years for females. For every 100 females there are 97.0 males.