Grantley is located in southeast Pennsylvania. Grantley has 1.67 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Grantley population is 3,742, which has grown 4.53% since 2000. The population growth rate is higher than the state average rate of 3.89% and is much lower than the national average rate of 11.61%. Grantley median household income is $98,558 in 2010-2014 and has grown by 72.79% 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%. Grantley median house value is $256,100 in 2010-2014 and has grown by 54.65% 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 Grantley is much better than the state average in quality.