Gilbert is located close to the center of Arizona. Gilbert is part of Maricopa County. Gilbert has 67.96 square miles of land area and 0.18 square miles of water area. As of 2010-2014, the total Gilbert population is 223,131, which has grown 103.41% since 2000. The population growth rate is much higher than the state average rate of 27.89% and is much higher than the national average rate of 11.61%. Gilbert median household income is $81,485 in 2010-2014 and has grown by 19.77% since 2000. The income growth rate is lower than the state average rate of 23.10% and is lower than the national average rate of 27.36%. Gilbert median house value is $231,100 in 2010-2014 and has grown by 46.92% since 2000. The house value growth rate is higher than the state average rate of 34.30% and is about the same as 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 Gilbert is much better than the state average in quality. The Gilbert area code is 480.