Moulton is a city in Lawrence County, Alabama, and is included in the Decatur Metropolitan Area, as well as the Huntsville-Decatur Combined Statistical Area. Although it incorporated in 1819, along with its rival of Courtland, to compete for the honor of county seat, it did not first appear on the U.S. Census rolls until 1900. As of the 2020 census, Moulton had a population of 3,398. The city has been the county seat of Lawrence County since 1820. It has been the largest community in the county since the 1920 U.S. Census.