Marissa is located in south Illinois. Marissa is between the Saint Clair, Randolph, Washington county. Marissa has 3.35 square miles of land area and 0.17 square miles of water area. As of 2010-2014, the total Marissa population is 2,253, which has grown 5.23% since 2000. The population growth rate is higher than the state average rate of 3.62% and is much lower than the national average rate of 11.61%. Marissa median household income is $47,632 in 2010-2014 and has grown by 50.33% since 2000. The income growth rate is much higher than the state average rate of 22.70% and is much higher than the national average rate of 27.36%. Marissa median house value is $76,100 in 2010-2014 and has grown by 57.56% since 2000. The house value growth rate is much higher than the state average rate of 34.33% 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 Marissa is close to the state average in quality. The Marissa area code is 618.