Heathrow is located in Seminole county Florida with a geographic area of 2.7 square miles. The total population in Heathrow is 6,898 with 47.3% male and 52.7% female. Children under age 5 represent 2.4% of the population, under age 18 equal 20.5% of the population and over age 65 is 19.2% of the population. The median household income is $97,765, per capita income is $62,918. There are a total of 3,008 housing units with 73.0% owner occupied. Education includes 4.8% of residents that are high school graduates and 74.4% with a bachelor's degree or higher. The average temperature in Heathrow in the summer is 80 degrees, and in the winter 56 degrees.