02421 Zip Code
02421 zip code is located close to the center of Massachusetts. 02421 zip code is part of Middlesex County. 02421 zip code has 9.85 square miles of land area and 0.16 square miles of water area. As of 2010-2014, the total 02421 zip code population is 18,359, which has grown 13.57% 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%. 02421 zip code median household income is $138,202 in 2010-2014 and has grown by 37.71% since 2000. The income growth rate is higher than the state average rate of 34.34% and is higher than the national average rate of 27.36%. 02421 zip code median house value is $730,600 in 2010-2014 and has grown by 72.84% 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 02421 zip code is much better than the state average in quality. The 02421 zip code area code is 781.