Topsail beach is located in Pender county North carolina with a geographic area of 4.4 square miles. The total population in Topsail beach is 466 with 46.6% male and 53.4% female. Children under age 5 represent 1.3% of the population, under age 18 equal 11.8% of the population and over age 65 is 36.3% of the population. The median household income is $79,375, per capita income is $64,347. There are a total of 219 housing units with 85.4% owner occupied. Education includes 5.9% of residents that are high school graduates and 59.8% with a bachelor's degree or higher. The average temperature in Topsail beach in the summer is 75 degrees, and in the winter 38 degrees.