Granby is located in west Massachusetts. Granby is part of Hampshire County. Granby has 3.48 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Granby population is 1,514, which has grown 12.65% 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%. Granby median household income is $73,967 in 2010-2014 and has grown by 44.33% since 2000. The income growth rate is higher than the state average rate of 34.34% and is much higher than the national average rate of 27.36%. Granby median house value is $230,000 in 2010-2014 and has grown by 70.24% 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 Granby is close to the state average in quality. The Granby area code is 413.