Berlin is located close to the center of New Jersey. Berlin is part of Camden County. Berlin has 3.59 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Berlin population is 7,587, which has grown 23.39% since 2000. The population growth rate is much higher than the state average rate of 5.47% and is much higher than the national average rate of 11.61%. Berlin median household income is $76,346 in 2010-2014 and has grown by 26.64% since 2000. The income growth rate is lower than the state average rate of 30.67% and is about the same as the national average rate of 27.36%. Berlin median house value is $229,800 in 2010-2014 and has grown by 69.22% since 2000. The house value growth rate is lower than the state average rate of 87.30% 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 Berlin is better than the state average in quality. The Berlin area code is 856.