Warren is located in west Massachusetts. Warren is part of Worcester County. Warren has 1.27 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Warren population is 1,456, which has grown 0.28% since 2000. The population growth rate is lower than the state average rate of 4.85% and is much lower than the national average rate of 11.61%. Warren median household income is $34,115 in 2010-2014 and has grown by 17.41% since 2000. The income growth rate is much lower than the state average rate of 34.34% and is much lower than the national average rate of 27.36%. Warren median house value is $181,600 in 2010-2014 and has grown by 81.24% since 2000. The house value growth rate is about the same as 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 Warren is much better than the state average in quality. The Warren area code is 413.