Harrisburg is located in Dauphin county Pennsylvania with a geographic area of 8.1 square miles. The total population in Harrisburg is 49,247 with 48.2% male and 51.8% female. Children under age 5 represent 9.0% of the population, under age 18 equal 27.6% of the population and over age 65 is 11.1% of the population. The median household income is $41,831, per capita income is $23,191. There are a total of 20,986 housing units with 35.1% owner occupied. Education includes 29.7% of residents that are high school graduates and 24.8% with a bachelor's degree or higher. The average temperature in Harrisburg in the summer is 74 degrees, and in the winter 33 degrees.