Arendtsville is located in Adams county Pennsylvania with a geographic area of 0.8 square miles. The total population in Arendtsville is 855 with 49.9% male and 50.1% female. Children under age 5 represent 5.5% of the population, under age 18 equal 27.7% of the population and over age 65 is 13.8% of the population. The median household income is $82,188, per capita income is $26,534. There are a total of 287 housing units with 77.7% owner occupied. Education includes 34.8% of residents that are high school graduates and 27.9% with a bachelor's degree or higher. The average temperature in Arendtsville in the summer is 73 degrees, and in the winter 33 degrees.