Summerville is located in west Pennsylvania. Summerville is between the Jefferson, Clarion county. Summerville has 0.60 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Summerville population is 485, which has shrunk 7.62% since 2000. The population growth rate is much lower than the state average rate of 3.89% and is much lower than the national average rate of 11.61%. Summerville median household income is $38,942 in 2010-2014 and has grown by 25.99% since 2000. The income growth rate is lower than the state average rate of 32.44% and is lower than the national average rate of 27.36%. Summerville median house value is $70,400 in 2010-2014 and has grown by 75.56% since 2000. The house value growth rate is higher than the state average rate of 70.00% 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 Summerville is close to the state average in quality. The Summerville area code is 814.