Fernandina beach is located in Nassau county Florida with a geographic area of 11.8 square miles. The total population in Fernandina beach is 12,622 with 49.7% male and 50.3% female. Children under age 5 represent 3.8% of the population, under age 18 equal 11.6% of the population and over age 65 is 30.7% of the population. The median household income is $76,595, per capita income is $46,472. There are a total of 5,869 housing units with 78.6% owner occupied. Education includes 17.2% of residents that are high school graduates and 45.8% with a bachelor's degree or higher. The average temperature in Fernandina beach in the summer is 81 degrees, and in the winter 56 degrees.
