McCollum, AlabamaMcCollum is an unincorporated community in Walker County, Alabama, United States. McCollum is located along Alabama State Route 69, west of Jasper.HistoryMcCollum is named for the McCollum family, who were early settlers of the area. A post office operated under the name McCollum from 1903 to 1909. It is located where State Route 69 and State Route 124 split.