Franklin is located close to the center of New Hampshire. Franklin is part of Merrimack County. Franklin has 27.28 square miles of land area and 1.84 square miles of water area. As of 2010-2014, the total Franklin population is 8,462, which has grown 0.68% since 2000. The population growth rate is much lower than the state average rate of 6.90% and is much lower than the national average rate of 11.61%. Franklin median household income is $42,742 in 2010-2014 and has grown by 23.49% since 2000. The income growth rate is lower than the state average rate of 33.39% and is lower than the national average rate of 27.36%. Franklin median house value is $164,700 in 2010-2014 and has grown by 98.67% since 2000. The house value growth rate is higher than the state average rate of 78.09% 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 Franklin is much better than the state average in quality. The Franklin area code is 603.