Bluffton is located close to the center of Minnesota. Bluffton is part of Otter Tail County. Bluffton has 2.76 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Bluffton population is 202, which has shrunk 3.81% since 2000. The population growth rate is much lower than the state average rate of 9.44% and is much lower than the national average rate of 11.61%. Bluffton median household income is $41,250 in 2010-2014 and has grown by 32.00% since 2000. The income growth rate is higher than the state average rate of 29.12% and is higher than the national average rate of 27.36%. Bluffton median house value is $105,400 in 2010-2014 and has grown by 134.22% since 2000. The house value growth rate is much higher than the state average rate of 51.31% and is much 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 Bluffton is close to the state average in quality. The Bluffton area code is 218.