Marietta is located in northeast Mississippi. Marietta is between the Prentiss, Itawamba county. Marietta has 1.78 square miles of land area and has no water area. As of 2010-2014, the total Marietta population is 360, which has grown 45.16% since 2000. The population growth rate is much higher than the state average rate of 4.91% and is much higher than the national average rate of 11.61%. Marietta median household income is $24,868 in 2010-2014 and has has shrunk by 28.95% since 2000. The income growth rate is much lower than the state average rate of 25.96% and is much lower than the national average rate of 27.36%. Marietta median house value is $70,900 in 2010-2014 and has shrunk by -7.75% since 2000. The house value growth rate is much lower than the state average rate of 41.18% and is much lower 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 Marietta is better than the state average in quality. The Marietta area code is 662.