Central Arkansas, also known as the Little Rock metro, designated by the United States Office of Management and Budget as the Little Rock-North Little Rock-Conway Metropolitan Statistical Area, is the most populous metro area in the US state of Arkansas. It is the core of the broader Little Rock-North Little Rock Combined Statistical Area (CSA). Its economic, cultural, and demographic center is Little Rock, Arkansas's capital and largest city. The Little Rock Combined Statistical area spans ten counties and had an estimated population of 902,443 in 2014. It is the fifteenth-largest metropolitan region in The South.
Pine Bluff is the largest city and county seat of Jefferson County, Arkansas, United States. It is also the principal city of the Pine Bluff Metropolitan Statistical Area and part of the Little Rock-North Little Rock-Pine Bluff Combined Statistical Area. The population of the city was 49,083 in the 2010 Census, however 2011 estimates show the population has since declined to 48,339. Pine Bluff is the ninth largest city in the state of Arkansas.