The City of Henagar, AL, is located in DeKalb County in the northeast corner of Alabama. The City of Henagar has a population of 2,344 (as of the 2010 census). Our ZIP code is 35978. The City of Henagar covers approximately 21.9 square miles.
Henagar is also home to the Sand Mountain Potato Festival. The festival for 2021 will be held on Saturday, July 3rd and will be the festival’s 39th Annual year.