Somerville is located in southwest Ohio. Somerville is part of Butler County. Somerville has 0.25 square miles of land area and has no water area. As of 2010-2014, the total Somerville population is 268, which has shrunk 8.84% 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%. Somerville median household income is $41,875 in 2010-2014 and has grown by 27.45% since 2000. The income growth rate is higher than the state average rate of 19.27% and is about the same as the national average rate of 27.36%. Somerville median house value is $81,100 in 2010-2014 and has grown by 19.62% since 2000. The house value growth rate is 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 Somerville is close to the state average in quality. The Somerville area code is 937.