Grangeville is located in northwest Idaho. Grangeville is part of Idaho County. Grangeville has 1.45 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Grangeville population is 3,158, which has shrunk 2.17% since 2000. The population growth rate is much lower than the state average rate of 23.61% and is much lower than the national average rate of 11.61%. Grangeville median household income is $37,930 in 2010-2014 and has grown by 35.54% since 2000. The income growth rate is higher than the state average rate of 25.98% and is higher than the national average rate of 27.36%. Grangeville median house value is $114,500 in 2010-2014 and has grown by 42.77% since 2000. The house value growth rate is lower than the state average rate of 50.99% and is 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 Grangeville is close to the state average in quality. The Grangeville area code is 208.