Keene is located close to the center of Texas. Keene is part of Johnson County. Keene has 4.93 square miles of land area and 0.08 square miles of water area. As of 2010-2014, the total Keene population is 6,089, which has grown 21.71% since 2000. The population growth rate is lower than the state average rate of 25.13% and is much higher than the national average rate of 11.61%. Keene median household income is $32,314 in 2010-2014 and has has shrunk by 6.81% since 2000. The income growth rate is much lower than the state average rate of 31.68% and is much lower than the national average rate of 27.36%. Keene median house value is $102,000 in 2010-2014 and has shrunk by -47.19% since 2000. The house value growth rate is lower than the state average rate of 59.27% and is about the same as 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 better than the state average in quality. The Keene area code is 817.