Mercersburg is located in south Pennsylvania. Mercersburg is between the Franklin, Fulton county. Mercersburg has 0.90 square miles of land area and has no water area. As of 2010-2014, the total Mercersburg population is 1,478, which has shrunk 4.03% 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%. Mercersburg median household income is $42,250 in 2010-2014 and has grown by 29.53% since 2000. The income growth rate is lower than the state average rate of 32.44% and is higher than the national average rate of 27.36%. Mercersburg median house value is $178,800 in 2010-2014 and has grown by 92.67% 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 Mercersburg is worse than the state average in quality. The Mercersburg area code is 717.