Shirleysburg is located close to the center of Pennsylvania. Shirleysburg is part of Huntingdon County. Shirleysburg has 0.16 square miles of land area and has no water area. As of 2010-2014, the total Shirleysburg population is 116, which has shrunk 17.14% 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%. Shirleysburg median household income is $40,625 in 2010-2014 and has grown by 54.76% 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%. Shirleysburg median house value is $63,100 in 2010-2014 and has grown by 41.48% since 2000. The house value growth rate is much lower than the state average rate of 70.00% and is lower 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 Shirleysburg is worse than the state average in quality. The Shirleysburg area code is 814.