Harrisonville is located in west Missouri. Harrisonville is part of Cass County. Harrisonville has 9.88 square miles of land area and 0.13 square miles of water area. As of 2010-2014, the total Harrisonville population is 10,019, which has grown 11.99% since 2000. The population growth rate is higher than the state average rate of 7.74% and is about the same as the national average rate of 11.61%. Harrisonville median household income is $44,000 in 2010-2014 and has grown by 11.40% since 2000. The income growth rate is much lower than the state average rate of 25.91% and is much lower than the national average rate of 27.36%. Harrisonville median house value is $126,400 in 2010-2014 and has grown by 47.15% since 2000. The house value growth rate is lower than the state average rate of 52.06% and is about the same as 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 Harrisonville is better than the state average in quality. The Harrisonville area code is 816.