Bossier Parish, Louisiana

Bossier Parish is a parish located in the northwestern part of the U.S. state of Louisiana. At the 2010 census, the population was 116,979, and 128,746 in 2020.The parish seat is Benton. The principal city is Bossier City, which is located east of the Red River and across from the larger city of Shreveport, the seat of Caddo Parish. The parish was formed in 1843 from the western portion of Claiborne Parish. Bossier Parish is part of the Shreveport–Bossier City metropolitan statistical area, the largest metropolitan area in North Louisiana.

Lake Bistineau and Lake Bistineau State Park are included in parts of Bossier and neighboring Webster and Bienville parishes. Loggy Bayou flows south from Lake Bistineau in southern Bossier Parish, traverses western Bienville Parish, and in Red River Parish joins the Red River.