01720 Zip Code
01720 zip code is located close to the center of Massachusetts. 01720 zip code is part of Middlesex County. 01720 zip code has 19.71 square miles of land area and 0.43 square miles of water area. As of 2010-2014, the total 01720 zip code population is 22,197, which has grown 11.95% since 2000. The population growth rate is much higher than the state average rate of 4.85% and is about the same as the national average rate of 11.61%. 01720 zip code median household income is $119,342 in 2010-2014 and has grown by 30.44% since 2000. The income growth rate is lower than the state average rate of 34.34% and is higher than the national average rate of 27.36%. 01720 zip code median house value is $505,600 in 2010-2014 and has grown by 50.61% since 2000. The house value growth rate is much lower than the state average rate of 77.65% 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 01720 zip code is much better than the state average in quality. The 01720 zip code area code is 978.