Hays is located close to the center of Montana. Hays is part of Blaine County. Hays has 27.05 square miles of land area and has no water area. As of 2010-2014, the total Hays population is 962, which has grown 37.04% 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%. Hays median household income is $25,833 in 2010-2014 and has grown by 51.96% since 2000. The income growth rate is higher than the state average rate of 41.61% and is much higher than the national average rate of 27.36%. Hays median house value is $55,300 in 2010-2014 and has grown by 17.91% since 2000. The house value growth rate is much lower than the state average rate of 88.54% 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 Hays is worse than the state average in quality. The Hays area code is 406.