Kansas City is the largest city in the U.S. state of Missouri. It encompasses 318 square miles (820 km2) in parts of Jackson, Clay, Cass, and Platte counties. The city also serves as the anchor city of the Kansas City Metropolitan Area, second largest in Missouri, and largest with territory in Kansas (Wichita is the largest metropolitan area anchored in Kansas). As of February 6, 2009, it was revealed that the US census had underestimated Kansas City's population, and re-released it to be 475,830, with a metro area of over two million. Kansas City was founded in 1838 as the "Town of Kansas" at the confluence of the Missouri and Kansas rivers and was incorporated in its present form in 1850. Situated opposite Kansas City, Kansas, the city was the location of several battles during the Civil War, including the Battle of Westport. The city is well known for its contributions to the musical styles of jazz and blues as well as to cuisine (Kansas City-style barbecue).