Harrisburg is located in east South Dakota. Harrisburg is part of Lincoln County. Harrisburg has 2.48 square miles of land area and has no water area. As of 2010-2014, the total Harrisburg population is 4,678, which has grown 388.31% since 2000. The population growth rate is much higher than the state average rate of 10.58% and is much higher than the national average rate of 11.61%. Harrisburg median household income is $67,303 in 2010-2014 and has grown by 31.46% since 2000. The income growth rate is lower than the state average rate of 42.67% and is higher than the national average rate of 27.36%. Harrisburg median house value is $172,400 in 2010-2014 and has grown by 80.71% since 2000. The house value growth rate is higher than the state average rate of 70.48% and is much higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Harrisburg is much better than the state average in quality. The Harrisburg area code is 605.