Baton Rouge, Louisiana Baton Rouge, Louisiana Baton Rouge ( ; ) is the capital of the U.S. state of Louisiana and its second-largest city. Located on the eastern bank of the Mississippi River, it is the parish seat of East Baton Rouge Parish. As its capital city, Baton Rouge is the political hub of Louisiana. It is the second-largest city in the state, with an estimated population of 227,715 in 2016. The metropolitan area surrounding the city, known as Greater Baton Rouge, is also the second-largest in Louisiana, with a population of 830,480 people as of 2015. The urban area has around 594,309
Louisiana Purchase Effective October 1, 1804, the purchased territory was organized into the Territory of Orleans (most of which would become the state of Louisiana) and the District of Louisiana, which was temporarily under control of the governor and judicial system of the Indiana Territory. The following year, the District of Louisiana was renamed the Territory of Louisiana, aka Louisiana Territory (1805–1812). New Orleans was the administrative capital of the Orleans Territory, and St. Louis was the capital of the Louisiana Territory. A dispute soon arose between Spain and the United States regarding the extent of Louisiana. The territory's boundaries had not