Rochester is located in west Pennsylvania. Rochester is part of Beaver County. Rochester has 0.59 square miles of land area and 0.14 square miles of water area. As of 2010-2014, the total Rochester population is 3,628, which has shrunk 9.62% 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%. Rochester median household income is $39,538 in 2010-2014 and has grown by 27.67% since 2000. The income growth rate is lower than the state average rate of 32.44% and is about the same as the national average rate of 27.36%. Rochester median house value is $72,800 in 2010-2014 and has grown by 38.14% since 2000. The house value growth rate is much lower than the state average rate of 70.00% and is 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 Rochester is close to the state average in quality. The Rochester area codes are 412, 724.