Douglas is a town in Marshall County, Alabama, United States. Douglas, a part of the Huntsville–Decatur Combined Statistical Area, had a population of 761 as of the 2020 census. The town incorporated in 1978.

Marshall County is a county of the state of Alabama, United States. As of the 2020 census the population was 97,612. Its county seat is Guntersville. A second courthouse is in Albertville. Its name is in honor of John Marshall, famous Chief Justice of the United States. Marshall County is a dry county, with the exception of the five cities of Albertville, Arab, Grant, Guntersville, and Boaz. Marshall County comprises the Albertville, AL Micropolitan Statistical Area, which is also included in the Huntsville-Decatur-Albertville, AL Combined Statistical Area.