Decatur is the core city of the two-county large Decatur metropolitan area, with an estimated population of 157,425 in 2022. Combined with the Huntsville Metropolitan Area, the two create the Huntsville-Decatur Combined Statistical Area, of which Decatur is the second-largest city.
Decatur is the core city of the two-county large Decatur metropolitan area, with an estimated population of 157,425 in 2022. Combined with the Huntsville Metropolitan Area, the two create the Huntsville-Decatur Combined Statistical Area of which Decatur is t,he second-largest city.