Marianna is a city located in Lee County Arkansas. It is also the county seat of Lee County. With a 2020 population of 3,274, it is the 96th largest city in Arkansas and the 5978th largest city in the United States . Marianna is currently declining at a rate of -1.92% annually and its population has decreased by -20.44% since the most recent census, which recorded a population of 4,115 in 2010. Marianna reached it's highest population of in . Spanning over 4 miles, Marianna has a population density of 906 people per square mile.
The average household income in Marianna is $35,711 with a poverty rate of 32.28%. The median rental costs in recent years comes to $510 per month, and the median house value is $68,500. The median age in Marianna is 42.9 years, 37.9 years for males, and 45.4 years for females.