|Elevation||243 ft (74 m)|
|Time zone||Central (CST) (UTC-6)|
|• Summer (DST)||CDT (UTC-5)|
|GNIS feature ID||159538|
Duncanville is an unincorporated community in Tuscaloosa County, Alabama, United States. Duncanville is located along U.S. Route 82, 12.5 miles (20.1 km) southeast of Tuscaloosa. Duncanville has a post office with ZIP code 35456, which opened on August 22, 1898. Duncanville was named in honor of either William M. Duncan, a local property owner, or W. Butler Duncan, an official with the Gulf, Mobile, and Northern Railroad.
- "Duncanville". Geographic Names Information System. United States Geological Survey.
- United States Postal Service (2012). "USPS - Look Up a ZIP Code". Retrieved 2012-02-15.
- "Postmaster Finder - Post Offices by ZIP Code". United States Postal Service. Retrieved June 4, 2013.
- Foscue, Virginia (1989). Place Names in Alabama. Tuscaloosa: The University of Alabama Press. p. 50. ISBN 0-8173-0410-X.
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