Warren is located in northwest Minnesota. Warren is between the Marshall, Polk county. Warren has 1.44 square miles of land area and has no water area. As of 2010-2014, the total Warren population is 1,584, which has shrunk 5.60% 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%. Warren median household income is $47,321 in 2010-2014 and has grown by 30.54% since 2000. The income growth rate is about the same as the state average rate of 29.12% and is higher than the national average rate of 27.36%. Warren median house value is $78,500 in 2010-2014 and has grown by 47.00% since 2000. The house value growth rate is lower than the state average rate of 51.31% and is about the same as 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 Warren is better than the state average in quality. The Warren area code is 218.