Coolville is located in southeast Ohio. Coolville is between the Athens, Meigs, Washington county. Coolville has 0.83 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Coolville population is 579, which has grown 9.66% since 2000. The population growth rate is much higher than the state average rate of 1.83% and is lower than the national average rate of 11.61%. Coolville median household income is $32,361 in 2010-2014 and has grown by 1.99% since 2000. The income growth rate is much lower than the state average rate of 19.27% and is much lower than the national average rate of 27.36%. Coolville median house value is $109,700 in 2010-2014 and has grown by 76.65% since 2000. The house value growth rate is much higher than the state average rate of 24.98% 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 Coolville is worse than the state average in quality. The Coolville area code is 740.