Boneau is located close to the center of Montana. Boneau has 2.35 square miles of land area and 0.10 square miles of water area. As of 2010-2014, the total Boneau population is 321, which has grown 68.95% since 2000. The population growth rate is much higher than the state average rate of 11.55% and is much higher than the national average rate of 11.61%. Boneau median household income is $17,679 in 2010-2014 and has has shrunk by 18.72% since 2000. The income growth rate is much lower than the state average rate of 41.61% and is much lower than the national average rate of 27.36%. 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 Boneau is better than the state average in quality.