Clarksville is located in northeast Texas. Clarksville is part of Red River County. Clarksville has 3.06 square miles of land area and has no water area. As of 2010-2014, the total Clarksville population is 3,220, which has shrunk 17.07% since 2000. The population growth rate is much lower than the state average rate of 25.13% and is much lower than the national average rate of 11.61%. Clarksville median household income is $17,861 in 2010-2014 and has has shrunk by 24.49% 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%. Clarksville median house value is $48,600 in 2010-2014 and has shrunk by -53.80% since 2000. The house value growth rate is lower than the state average rate of 59.27% and is 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 Clarksville is worse than the state average in quality. The Clarksville area code is 903.