Roundup is located close to the center of Montana. Roundup is part of Musselshell County. Roundup has 1.34 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Roundup population is 1,740, which has shrunk 9.89% 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%. Roundup median household income is $28,409 in 2010-2014 and has grown by 22.75% since 2000. The income growth rate is much lower than the state average rate of 41.61% and is lower than the national average rate of 27.36%. Roundup median house value is $85,600 in 2010-2014 and has grown by 63.98% since 2000. The house value growth rate is 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 Roundup is close to the state average in quality. The Roundup area code is 406.