Duncansville is located close to the center of Pennsylvania. Duncansville is part of Blair County. Duncansville has 0.53 square miles of land area and has no water area. As of 2010-2014, the total Duncansville population is 1,433, which has grown 15.75% since 2000. The population growth rate is much higher than the state average rate of 3.89% and is higher than the national average rate of 11.61%. Duncansville median household income is $40,000 in 2010-2014 and has grown by 26.86% 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%. Duncansville median house value is $99,500 in 2010-2014 and has grown by 34.10% 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 Duncansville is better than the state average in quality. The Duncansville area code is 814.