Marianna is located in northwest Florida. Marianna is part of Jackson County. Marianna has 13.12 square miles of land area and 0.05 square miles of water area. As of 2010-2014, the total Marianna population is 8,548, which has grown 37.21% since 2000. The population growth rate is much higher than the state average rate of 21.14% and is much higher than the national average rate of 11.61%. Marianna median household income is $24,756 in 2010-2014 and has grown by 3.75% since 2000. The income growth rate is much lower than the state average rate of 21.62% and is much lower than the national average rate of 27.36%. Marianna median house value is $95,000 in 2010-2014 and has grown by 60.47% since 2000. The house value growth rate is higher than the state average rate of 48.06% 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 Marianna is better than the state average in quality. The Marianna area code is 850.