Randolph is located close to the center of Massachusetts. Randolph is part of Norfolk County. Randolph has 9.83 square miles of land area and 0.59 square miles of water area. As of 2010-2014, the total Randolph population is 33,135, which has grown 7.01% since 2000. The population growth rate is higher than the state average rate of 4.85% and is lower than the national average rate of 11.61%. Randolph median household income is $63,259 in 2010-2014 and has grown by 14.49% 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%. Randolph median house value is $258,900 in 2010-2014 and has grown by 60.61% since 2000. The house value growth rate is 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 Randolph is worse than the state average in quality. The Randolph area codes are 339, 781.