Southwest Louisiana

Southwest Louisiana
Region
West Acadiana
Five-parish Southwest Louisiana region (Allen, Beauregard, Calcasieu, Cameron, and Jefferson Davis) highlighted in red.
Country United States
State Louisiana
Largest cityLake Charles
Population
 (2020)
  Total
313,951

Southwest Louisiana (SWLA) is a five-parish area intersecting the Acadiana and Central Louisiana regions in the U.S. state of Louisiana. It is composed of the following parishes (counties): Allen, Beauregard, Calcasieu, Cameron, and Jefferson Davis. As of 2020, the combined population of the five parish area was 313,951.

Southwest Louisiana has one metropolitan area: Lake Charles. The southwestern portion of Louisiana is also geographically and culturally attached to Southeast Texas.

Three of the parishes — Calcasieu, Cameron, and Jefferson Davis — are also part of Acadiana, the region of French and Acadian influence defined by the Louisiana State Legislature in 1971.