Hermitage is located in west Pennsylvania. Hermitage is part of Mercer County. Hermitage has 29.24 square miles of land area and 0.09 square miles of water area. As of 2010-2014, the total Hermitage population is 16,237, which has grown 0.50% since 2000. The population growth rate is lower than the state average rate of 3.89% and is much lower than the national average rate of 11.61%. Hermitage median household income is $53,784 in 2010-2014 and has grown by 36.32% since 2000. The income growth rate is higher than the state average rate of 32.44% and is higher than the national average rate of 27.36%. Hermitage median house value is $125,300 in 2010-2014 and has grown by 28.51% since 2000. The house value growth rate is much lower than the state average rate of 70.00% and is much lower 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 Hermitage is better than the state average in quality. The Hermitage area code is 724.