Superior is located in northwest Wisconsin. Superior is part of Douglas County. Superior has 36.96 square miles of land area and 18.69 square miles of water area. As of 2010-2014, the total Superior population is 26,932, which has shrunk 1.59% since 2000. The population growth rate is much lower than the state average rate of 6.73% and is much lower than the national average rate of 11.61%. Superior median household income is $39,503 in 2010-2014 and has grown by 23.75% since 2000. The income growth rate is higher than the state average rate of 20.43% and is lower than the national average rate of 27.36%. Superior median house value is $113,300 in 2010-2014 and has grown by 71.93% since 2000. The house value growth rate is much higher than the state average rate of 47.86% 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 Superior is worse than the state average in quality. The Superior area code is 715.