Monument is located in northeast Oregon. Monument is part of Grant County. Monument has 0.51 square miles of land area and has no water area. As of 2010-2014, the total Monument population is 120, which has shrunk 20.53% since 2000. The population growth rate is much lower than the state average rate of 14.00% and is much lower than the national average rate of 11.61%. Monument median household income is $22,500 in 2010-2014 and has has shrunk by 6.25% since 2000. The income growth rate is much lower than the state average rate of 23.47% and is much lower than the national average rate of 27.36%. Monument median house value is $112,500 in 2010-2014 and has shrunk by -132.92% since 2000. The house value growth rate is much higher than the state average rate of 53.91% 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 Monument is much better than the state average in quality. The Monument area code is 541.