The U.S. state of Louisiana has a total of ten metropolitan statistical areas (MSAs); 37 of Louisiana's sixty-four (64) parishes are classified as metropolitan. According to the 2020 United States census, these parishes had a combined population of 3,918,560 (84.1% of the state's population).
The following table lists Louisiana's metropolitan areas, ranked by population as of the 2023 American Community Survey's census estimates program.