Stewartstown is located in York county Pennsylvania with a geographic area of 0.8 square miles. The total population in Stewartstown is 1,751 with 45.8% male and 54.2% female. Children under age 5 represent 7.4% of the population, under age 18 equal 28.0% of the population and over age 65 is 19.4% of the population. The median household income is $57,500, per capita income is $34,405. There are a total of 790 housing units with 63.4% owner occupied. Education includes 32.3% of residents that are high school graduates and 31.6% with a bachelor's degree or higher. The average temperature in Stewartstown in the summer is 73 degrees, and in the winter 33 degrees.