Demarest is located in northeast New Jersey. Demarest is part of Bergen County. Demarest has 2.07 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Demarest population is 4,929, which has grown 1.73% since 2000. The population growth rate is lower than the state average rate of 5.47% and is much lower than the national average rate of 11.61%. Demarest median household income is $146,200 in 2010-2014 and has grown by 41.55% 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%. Demarest median house value is $682,200 in 2010-2014 and has grown by 89.34% since 2000. The house value growth rate is about the same as 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 Demarest is much better than the state average in quality. The Demarest area code is 201.