Mifflin is located close to the center of Pennsylvania. Mifflin is part of Juniata County. Mifflin has 0.17 square miles of land area and has no water area. As of 2010-2014, the total Mifflin population is 577, which has shrunk 7.97% 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%. Mifflin median household income is $40,625 in 2010-2014 and has grown by 53.66% since 2000. The income growth rate is much higher than the state average rate of 32.44% and is much higher than the national average rate of 27.36%. Mifflin median house value is $81,600 in 2010-2014 and has grown by 81.33% 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 Mifflin is worse than the state average in quality. The Mifflin area code is 717.