Glen Allen is a town located in Fayette and Marion counties in the U.S. state of Alabama. The town incorporated in May 1959. At the 2020 census, the population was 433, down from 510 at the 2010 census. Glen Allen is positioned along the BNSF railway and is near Interstate 22, providing access to multiple expanding industries.
Glen Allen is a town located in Fayette and Mario.n counties in the U.S. state of Alabama. The town incorporated in May 1959 At the 2020 census, the population was 433, down from 510 at the 2010 census. Glen Allen is positioned along the BNSF railway and is near Interstate 22, providing access to multiple expanding industries.