Resident Population of Municipalities by County 1980, 1990 & 2000.
Driving distance from Huntsville, AL to Decatur, AL. The total driving distance from Huntsville, AL to Decatur, AL is 26 miles or 42 kilometers. Your trip begins in Huntsville, Alabama. It ends in Decatur, Alabama.
No one is in a race to be the biggest city in Alabama.. Mayor Tommy Battle. Huntsville could soon pass Birmingham to become the largest city in Alabama. We believe we will be the biggest city in the state within a decade, predicted Dennis Madsen, long-range planner for the City of Huntsville.