Sheridan is located in southwest Montana. Sheridan is part of Madison County. Sheridan has 1.02 square miles of land area and has no water area. As of 2010-2014, the total Sheridan population is 685, which has grown 3.95% since 2000. The population growth rate is much lower than the state average rate of 11.55% and is much lower than the national average rate of 11.61%. Sheridan median household income is $37,946 in 2010-2014 and has grown by 79.69% since 2000. The income growth rate is much higher than the state average rate of 41.61% and is much higher than the national average rate of 27.36%. Sheridan median house value is $149,500 in 2010-2014 and has grown by 58.54% since 2000. The house value growth rate is much lower than the state average rate of 88.54% and is 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 Sheridan is better than the state average in quality. The Sheridan area code is 406.