Demopolis is a city located in Marengo County, in the state of Alabama (AL), United States. Nestled in the East South Central division of the South region, it covers an area of 12.2 square miles (32.0 km²) and sits at an elevation of 122 ft. With a population of approximately 7,540 residents, Demopolis offers a peaceful, rural atmosphere.
The town's population is composed of about 44.89% males and 55.11% females, and it has a population density of 618.03 people per square mile (238.62/km²). Demopolis lies at a latitude of 32.51 and a longitude of -87.84, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (11.7%), followed by English (6.2%), German (2.6%), and Scotch-Irish (1.3%) heritage. The town is identified by the ZIP code 36732.