Napoleonville is a village located in the state of Louisiana in the United States. It serves as the parish seat of Assumption Parish and is situated within the Pierre Part Micropolitan Statistical Area.
As of the 2010 census, the village had a population of 660 residents. The location is notably recognized as the filming site for the motion picture Because of Winn-Dixie, which was adapted from Kate DiCamillo's Newbery Prize-winning novel set in the fictional town of Naomi, Florida.