Blain is located close to the center of Pennsylvania. Blain is part of Perry County. Blain has 0.32 square miles of land area and has no water area. As of 2010-2014, the total Blain population is 240, which has shrunk 4.76% 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%. Blain median household income is $48,333 in 2010-2014 and has grown by 48.72% 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%. Blain median house value is $102,100 in 2010-2014 and has grown by 55.17% 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 Blain is worse than the state average in quality. The Blain area code is 717.