Concord is located close to the center of New Hampshire. Concord is part of Merrimack County. Concord has 64.24 square miles of land area and 3.23 square miles of water area. As of 2010-2014, the total Concord population is 42,514, which has grown 4.49% since 2000. The population growth rate is lower than the state average rate of 6.90% and is much lower than the national average rate of 11.61%. Concord median household income is $54,182 in 2010-2014 and has grown by 27.65% since 2000. The income growth rate is lower than the state average rate of 33.39% and is about the same as the national average rate of 27.36%. Concord median house value is $210,800 in 2010-2014 and has grown by 87.71% 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 Concord is much better than the state average in quality. The Concord area code is 603.