Marshall is the largest city in and the county seat of Searcy County in Arkansas, United States. As of the 2020 census, Marshall had a population of 1,329. It is located in the Ozarks at the foot of the Boston Mountain Range 10.5 mi (16.9 km) south of America's first National River, the Buffalo National River. Marshall serves as a hub for area tourism including camping, floating, hiking, bicycling and Dark Sky viewing.