Bogalusa is a city in Washington Parish, Louisiana, United States. The population was 12,232 at the 2010 census. In the 2020 census the city reported a population of 10,659. It is the principal city of the Bogalusa Micropolitan Statistical Area, which includes all of Washington Parish and is also part of the larger New Orleans–Metairie–Hammond combined statistical area.

The 225th Engineer Brigade is a combat heavy engineer brigade of the Louisiana Army National Guard. It is one of the largest engineer formations in the United States Army National Guard. The 225th Engineer Brigade is headquartered at Camp Beauregard near Pineville, Louisiana in Rapides Parish. The brigade conducts missions of mobility, counter-mobility, survivability, and civil engineering support. The brigade possesses a mixture of civil and combat engineer units to accomplish these missions.