Williamsport is located in south Ohio. Williamsport is between the Pickaway, Ross county. Williamsport has 1.81 square miles of land area and 0.03 square miles of water area. As of 2010-2014, the total Williamsport population is 1,209, which has grown 20.66% since 2000. The population growth rate is much higher than the state average rate of 1.83% and is much higher than the national average rate of 11.61%. Williamsport median household income is $45,781 in 2010-2014 and has grown by 47.29% 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%. Williamsport median house value is $86,200 in 2010-2014 and has grown by 8.43% since 2000. The house value growth rate is much lower 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 Williamsport is close to the state average in quality. The Williamsport area code is 740.