Jackson's Gap is a town in Tallapoosa County, Alabama, United States. It incorporated in 1980. At the 2010 census the population was 828, up from 761. Jackson's Gap is located in east- central Alabama. It includes land bordering Lake Martin. Jackson's Gap is located at 32°52′54″N 85°49′7″W / 32.88167°N 85.81861°W.