The population of Marked Tree is 2,566 as of the 2010 census. It is a small town located in the Poinsett County, Arkansas. It is part of the Jonesboro, Arkansas metropolitan statistical area. Marked Tree has a total area of 2.3 square miles (6.0 km2) and a population density of 71 people per square mile. The median household income is $30,197 and the average household size is 2.7. The percentage of residents who are over the age of 65 is 28.0%.
The city has a high educational attainment with 45% of the population completing college or university. Another 35% of residents earned a graduate, professional, or doctorate degree. The city's population is divided into three major groups: those in the service industry, those in blue-collar jobs, and those in white-collar roles. Compared to other Arkansas cities, Marked Tree has a high literacy rate.