Bluffton is located in northwest Ohio. Bluffton is between the Allen, Hancock, Putnam county. Bluffton has 3.55 square miles of land area and 0.07 square miles of water area. As of 2010-2014, the total Bluffton population is 4,157, which has grown 6.70% since 2000. The population growth rate is higher than the state average rate of 1.83% and is lower than the national average rate of 11.61%. Bluffton median household income is $62,870 in 2010-2014 and has grown by 45.51% 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%. Bluffton median house value is $133,900 in 2010-2014 and has grown by 27.16% since 2000. The house value growth rate is higher 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 Bluffton is much better than the state average in quality. The Bluffton area codes are 419, 567.