Atglen is located in Chester county Pennsylvania with a geographic area of 0.9 square miles. The total population in Atglen is 1,160 with 44.0% male and 56.0% female. Children under age 5 represent 9.7% of the population, under age 18 equal 27.2% of the population and over age 65 is 8.0% of the population. The median household income is $68,333, per capita income is $30,041. There are a total of 420 housing units with 66.2% owner occupied. Education includes 48.6% of residents that are high school graduates and 29.5% with a bachelor's degree or higher. The average temperature in Atglen in the summer is 73 degrees, and in the winter 33 degrees.