Hellertown is located in Northampton county Pennsylvania with a geographic area of 1.3 square miles. The total population in Hellertown is 5,835 with 51.2% male and 48.8% female. Children under age 5 represent 5.4% of the population, under age 18 equal 23.0% of the population and over age 65 is 17.8% of the population. The median household income is $68,882, per capita income is $32,791. There are a total of 2,264 housing units with 65.2% owner occupied. Education includes 32.8% of residents that are high school graduates and 28.2% with a bachelor's degree or higher. The average temperature in Hellertown in the summer is 73 degrees, and in the winter 33 degrees.