Marquette is located in northeast Iowa. Marquette is part of Clayton County. Marquette has 1.74 square miles of land area and 0.07 square miles of water area. As of 2010-2014, the total Marquette population is 426, which has grown 1.19% since 2000. The population growth rate is lower than the state average rate of 5.19% and is much lower than the national average rate of 11.61%. Marquette median household income is $32,727 in 2010-2014 and has grown by 8.44% since 2000. The income growth rate is much lower than the state average rate of 33.56% and is much lower than the national average rate of 27.36%. Marquette median house value is $101,800 in 2010-2014 and has grown by 51.71% since 2000. The house value growth rate is about the same as the state average rate of 53.09% 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 Marquette is much better than the state average in quality. The Marquette area code is 319.