Duluth is located in east Minnesota. Duluth is between the Saint Louis, Carlton county. Duluth has 67.79 square miles of land area and 19.64 square miles of water area. As of 2010-2014, the total Duluth population is 86,239, which has shrunk 0.78% 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%. Duluth median household income is $43,518 in 2010-2014 and has grown by 28.88% 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%. Duluth median house value is $145,900 in 2010-2014 and has grown by 78.80% since 2000. The house value growth rate is much 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 Duluth is close to the state average in quality. The Duluth area code is 218.