Opheim is located in northeast Montana. Opheim is part of Valley County. Opheim has 0.21 square miles of land area and has no water area. As of 2010-2014, the total Opheim population is 110, which has shrunk 0.90% 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%. Opheim median household income is $31,750 in 2010-2014 and has grown by 29.15% since 2000. The income growth rate is lower than the state average rate of 41.61% and is higher than the national average rate of 27.36%. Opheim median house value is $31,900 in 2010-2014 and has grown by 118.49% since 2000. The house value growth rate is higher than the state average rate of 88.54% and is much 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 Opheim is much better than the state average in quality. The Opheim area code is 406.