Eldridge is a town in Walker County, Alabama, United States. It was incorporated in 1972. At the 2010 census the population was 130, down from 184 in 2000. A unit of Gen. James H. Wilson's cavalry corps, under the command of Brig.-Gen. Edward M. McCook, passed through Eldridge while en route to Jasper and Selma, during the Civil War in March 18…Eldridge is a town in Walker County, Alabama, United States. It was incorporated in 1972. At the 2010 census the population was 130, down from 184 in 2000. A unit of Gen. James H. Wilson's cavalry corps, under the command of Brig.-Gen. Edward M. McCook, passed through Eldridge while en route to Jasper and Selma, during the Civil War in March 1865. Upon hearing of the advance of the Union forces, residents in Eldridge were obliged to conceal their home valuables by burying them in the ground.