The Lake Charles metropolitan statistical area is a metropolitan area in the Acadiana region of southwest Louisiana that covers three parishes—Calcasieu, Cameron, and Jefferson Davis.

[1] It is also part of the larger Lake Charles–DeRidder combined statistical area which had a population of 276,909 in 2023.

[1] The Lake Charles MSA also shares borders with the Beaumont–Port Arthur metropolitan area to the west.

[2] Interstate 10 intersects the metropolitan area with Houston, Texas and New Orleans.

Interstate 210 loops around the city of Lake Charles, and U.S. Highway 90 runs parallel with Interstate 10; U.S. Highway 171 connects the area with Central and North Louisiana.