Debary is located in Volusia county Florida with a geographic area of 19.0 square miles. The total population in Debary is 21,053 with 50.8% male and 49.2% female. Children under age 5 represent 4.5% of the population, under age 18 equal 16.8% of the population and over age 65 is 24.7% of the population. The median household income is $71,554, per capita income is $35,115. There are a total of 8,235 housing units with 83.1% owner occupied. Education includes 27.5% of residents that are high school graduates and 28.2% with a bachelor's degree or higher. The average temperature in Debary in the summer is 81 degrees, and in the winter 56 degrees.