Sumpter is located in east Oregon. Sumpter is between the Baker, Grant county. Sumpter has 2.18 square miles of land area and has no water area. As of 2010-2014, the total Sumpter population is 171, which has shrunk 0.00% 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%. Sumpter median household income is $26,607 in 2010-2014 and has has shrunk by 2.14% 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%. Sumpter median house value is $150,800 in 2010-2014 and has shrunk by -60.77% since 2000. The house value growth rate is higher than the state average rate of 53.91% 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 Sumpter is better than the state average in quality. The Sumpter area code is 541.