Keene is located in southwest New Hampshire. Keene is part of Cheshire County. Keene has 37.25 square miles of land area and 0.25 square miles of water area. As of 2010-2014, the total Keene population is 23,281, which has grown 3.18% 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%. Keene median household income is $52,327 in 2010-2014 and has grown by 41.30% since 2000. The income growth rate is higher than the state average rate of 33.39% and is much higher than the national average rate of 27.36%. Keene median house value is $185,300 in 2010-2014 and has grown by 78.52% since 2000. The house value growth rate is about the same as 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 Keene is much better than the state average in quality. The Keene area code is 603.