Harrisburg is located in Lincoln county South dakota with a geographic area of 3.7 square miles. The total population in Harrisburg is 6,420 with 53.2% male and 46.8% female. Children under age 5 represent 11.3% of the population, under age 18 equal 35.6% of the population and over age 65 is 2.7% of the population. The median household income is $78,826, per capita income is $28,330. There are a total of 2,069 housing units with 85.9% owner occupied. Education includes 17.4% of residents that are high school graduates and 42.0% with a bachelor's degree or higher. The average temperature in Harrisburg in the summer is 71 degrees, and in the winter 15 degrees.
