Dauphin is located in southeast Pennsylvania. Dauphin is part of Dauphin County. Dauphin has 0.43 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Dauphin population is 981, which has grown 26.91% since 2000. The population growth rate is much higher than the state average rate of 3.89% and is much higher than the national average rate of 11.61%. Dauphin median household income is $54,643 in 2010-2014 and has grown by 23.57% 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%. Dauphin median house value is $154,200 in 2010-2014 and has grown by 67.25% since 2000. The house value growth rate is about the same as 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 Dauphin is close to the state average in quality. The Dauphin area code is 717.