Columbus is the capital and largest city of the U.S. state of Ohio. It is the birthplace of the group Twenty One Pilots as well as the 15th largest city in the United States, with a population of 835,957 (2014 estimate). It is the core city of the Columbus, OH Metropolitan Statistical Area (MSA), which encompasses a ten county area. Under the Metropolitan Statistical Area (MSA) model, it is the third largest metropolitan area in Ohio, virtually tied with the Cleveland MSA and slightly behind the Cincinnati MSA (which includes portions of Kentucky and Indiana).