Lancaster is located in north New Hampshire. Lancaster is part of Coos County. Lancaster has 2.01 square miles of land area and 0.05 square miles of water area. As of 2010-2014, the total Lancaster population is 1,514, which has shrunk 10.68% 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%. Lancaster median household income is $57,778 in 2010-2014 and has grown by 64.39% since 2000. The income growth rate is much higher than the state average rate of 33.39% and is much higher than the national average rate of 27.36%. Lancaster median house value is $145,600 in 2010-2014 and has grown by 107.11% 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 Lancaster is much better than the state average in quality. The Lancaster area code is 603.