Clarksville is located in southwest Ohio. Clarksville is between the Clinton, Warren county. Clarksville has 0.46 square miles of land area and 0.03 square miles of water area. As of 2010-2014, the total Clarksville population is 457, which has shrunk 8.05% since 2000. The population growth rate is much lower than the state average rate of 1.83% and is much lower than the national average rate of 11.61%. Clarksville median household income is $45,875 in 2010-2014 and has grown by 42.25% since 2000. The income growth rate is much higher than the state average rate of 19.27% and is much higher than the national average rate of 27.36%. Clarksville median house value is $82,700 in 2010-2014 and has grown by 28.02% since 2000. The house value growth rate is higher than the state average rate of 24.98% and is much lower 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 better than the state average in quality. The Clarksville area code is 937.