Burlington is located close to the center of Massachusetts. Burlington is part of Middlesex County. Burlington has 11.73 square miles of land area and 0.13 square miles of water area. As of 2010-2014, the total Burlington population is 25,190, which has grown 10.12% since 2000. The population growth rate is much higher than the state average rate of 4.85% and is lower than the national average rate of 11.61%. Burlington median household income is $95,465 in 2010-2014 and has grown by 26.88% since 2000. The income growth rate is lower than the state average rate of 34.34% and is about the same as the national average rate of 27.36%. Burlington median house value is $419,000 in 2010-2014 and has grown by 71.16% since 2000. The house value growth rate is lower than the state average rate of 77.65% and is much 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 Burlington is better than the state average in quality. The Burlington area codes are 339, 781.