The U.S. state of Louisiana has a total of nine Metropolitan Statistical Areas (MSAs). Thirty (30) of Louisiana's sixty-four (64) parishes are classified as metropolitan. As of the 2010 census, these parishes had a combined population of 3,340,667 (74.8% of the state's population). Based on a July 1, 2009, population estimate, that figure had increased to 3,356,913 (74.7% of the state's population).