Andover is located in northeast Massachusetts. Andover is part of Essex County. Andover has 3.69 square miles of land area and 0.08 square miles of water area. As of 2010-2014, the total Andover population is 8,953, which has grown 13.33% since 2000. The population growth rate is much higher than the state average rate of 4.85% and is higher than the national average rate of 11.61%. Andover median household income is $74,185 in 2010-2014 and has grown by 23.56% since 2000. The income growth rate is lower than the state average rate of 34.34% and is lower than the national average rate of 27.36%. Andover median house value is $470,800 in 2010-2014 and has grown by 49.08% since 2000. The house value growth rate is much lower than the state average rate of 77.65% 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 Andover is much better than the state average in quality. The Andover area code is 978.