- Forrest City is a city located in St. Francis County, Arkansas, United States. It is the county seat and has a population of approximately 13,413 people as of the 2010 census. The city is known for its location along the Mississippi River and its historical significance as a transportation hub in the region. Forrest City is home to several notable attractions including the John H. Johnson Museum, the St. Francis County Museum, and the Delta Cultural Center. The city is also known for its agricultural production, with cotton being a prominent crop in the area.