Franklin is located in north New Jersey. Franklin is part of Sussex County. Franklin has 4.50 square miles of land area and 0.07 square miles of water area. As of 2010-2014, the total Franklin population is 4,994, which has shrunk 3.22% since 2000. The population growth rate is much lower than the state average rate of 5.47% and is much lower than the national average rate of 11.61%. Franklin median household income is $65,000 in 2010-2014 and has grown by 44.49% since 2000. The income growth rate is higher than the state average rate of 30.67% and is much higher than the national average rate of 27.36%. Franklin median house value is $212,400 in 2010-2014 and has grown by 72.68% since 2000. The house value growth rate is lower than the state average rate of 87.30% 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 close to the state average in quality. The Franklin area code is 973.