Miramar beach is located in Walton county Florida with a geographic area of 7.0 square miles. The total population in Miramar beach is 8,815 with 45.2% male and 54.8% female. Children under age 5 represent 4.3% of the population, under age 18 equal 16.5% of the population and over age 65 is 31.8% of the population. The median household income is $77,667, per capita income is $51,305. There are a total of 4,078 housing units with 70.2% owner occupied. Education includes 11.3% of residents that are high school graduates and 58.7% with a bachelor's degree or higher. The average temperature in Miramar beach in the summer is 80 degrees, and in the winter 56 degrees.