Marianna is a city located in Florida. With a 2020 population of 7,131, it is the 197th largest city in Florida and the 3907th largest city in the United States. Marianna is currently growing at a rate of 0.28% annually and its population has increased by 16.86% since the most recent census, which recorded a population of 6,102 in 2010. Marianna reached it's highest population of 7,567 in 2012. Spanning over 19 miles, Marianna has a population density of 385 people per square mile.
The average household income in Marianna is $37,199 with a poverty rate of 36.28%. The median rental costs in recent years comes to $615 per month, and the median house value is $89,400. The median age in Marianna is 39 years, 36.7 years for males, and 39.9 years for females. For every 100 females there are 98.9 males.