Jennerstown is located in southwest Pennsylvania. Jennerstown is part of Somerset County. Jennerstown has 1.92 square miles of land area and 0.07 square miles of water area. As of 2010-2014, the total Jennerstown population is 681, which has shrunk 4.62% 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%. Jennerstown median household income is $48,365 in 2010-2014 and has grown by 21.26% since 2000. The income growth rate is much lower than the state average rate of 32.44% and is lower than the national average rate of 27.36%. Jennerstown median house value is $132,000 in 2010-2014 and has grown by 53.13% since 2000. The house value growth rate is lower than the state average rate of 70.00% and is 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 Jennerstown is close to the state average in quality. The Jennerstown area code is 814.