Underwood-Petersville, AL

Underwood-Petersville is a census-designated place in Lauderdale County, part of the Florence-Muscle Shoals area known locally as the Shoals. It sits in central Lauderdale County among the roads and neighborhoods that connect Florence, St. Florian, Zip City, Greenhill, and Killen. The place is unincorporated, so its local map is tied to county services and the surrounding communities. Mid-Lauderdale Volunteer Fire Department lists Underwood-Petersville among the communities it serves, alongside St. Florian, Mount Zion, Zip City, Greenhill, and Killen. The 2020 census counted 3,051 residents, making Underwood-Petersville a compact Shoals settlement shaped by county roads, nearby towns, and the larger Tennessee Valley region.