Mableton is located in northwest Georgia. Mableton is part of Cobb County. Mableton has 20.57 square miles of land area and 0.11 square miles of water area. As of 2010-2014, the total Mableton population is 40,521, which has grown 36.28% since 2000. The population growth rate is much higher than the state average rate of 21.03% and is much higher than the national average rate of 11.61%. Mableton median household income is $55,532 in 2010-2014 and has grown by 12.35% since 2000. The income growth rate is lower than the state average rate of 16.28% and is much lower than the national average rate of 27.36%. Mableton median house value is $151,400 in 2010-2014 and has grown by 46.42% since 2000. The house value growth rate is higher than the state average rate of 33.09% 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 Mableton is much better than the state average in quality. The Mableton area code is 770.