Blanchester is located in southwest Ohio. Blanchester is between the Clinton, Brown, Clermont, Warren county. Blanchester has 4.15 square miles of land area and 0.10 square miles of water area. As of 2010-2014, the total Blanchester population is 4,182, which has shrunk 0.90% 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%. Blanchester median household income is $43,324 in 2010-2014 and has grown by 21.67% since 2000. The income growth rate is higher than the state average rate of 19.27% and is lower than the national average rate of 27.36%. Blanchester median house value is $90,700 in 2010-2014 and has grown by 13.23% 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 Blanchester is better than the state average in quality. The Blanchester area code is 937.