Baton Rouge is the capital of the U.S. state of Louisiana. Located on the eastern bank of the Mississippi River, it is the parish seat of East Baton Rouge Parish, the most populous parish in Louisiana. It is the 99th most populous city in the United States, and second-largest city in Louisiana after New Orleans. It is also the 16th most populous state capital. As of the U.S. Census Bureau's July 2018 estimate, Baton Rouge had a population of 221,599, down from 229,493 at the 2010 census. Baton Rouge is the center of Greater Baton Rouge, the second-largest metropolitan area in Louisiana, with a population of 834,159 as of 2017, up from 802,484 in 2010 and 829,719 in 2015.