Martinsburg is located close to the center of Pennsylvania. Martinsburg is between the Blair, Bedford county. Martinsburg has 0.63 square miles of land area and has no water area. As of 2010-2014, the total Martinsburg population is 1,993, which has shrunk 10.87% 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%. Martinsburg median household income is $41,201 in 2010-2014 and has grown by 51.89% 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%. Martinsburg median house value is $119,200 in 2010-2014 and has grown by 50.13% 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 Martinsburg is close to the state average in quality. The Martinsburg area code is 814.