Barnesville is located in east Ohio. Barnesville is between the Belmont, Noble county. Barnesville has 1.94 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Barnesville population is 4,115, which has shrunk 2.60% since 2000. The population growth rate is lower than the state average rate of 1.83% and is much lower than the national average rate of 11.61%. Barnesville median household income is $39,635 in 2010-2014 and has grown by 65.66% 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%. Barnesville median house value is $77,800 in 2010-2014 and has grown by 52.85% since 2000. The house value growth rate is much higher than the state average rate of 24.98% 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 Barnesville is worse than the state average in quality. The Barnesville area code is 740.