Oslo is located in northwest Minnesota. Oslo is between the Marshall, Grand Forks, Walsh, Polk county. Oslo has 0.36 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Oslo population is 247, which has shrunk 28.82% since 2000. The population growth rate is much lower than the state average rate of 9.44% and is much lower than the national average rate of 11.61%. Oslo median household income is $52,500 in 2010-2014 and has grown by 52.73% since 2000. The income growth rate is much higher than the state average rate of 29.12% and is much higher than the national average rate of 27.36%. Oslo median house value is $78,800 in 2010-2014 and has grown by 71.30% since 2000. The house value growth rate is higher than the state average rate of 51.31% 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 Oslo is better than the state average in quality. The Oslo area code is 218.