Columbus is a city in and the county seat of Bartholomew County, Indiana, United States. The population was 44,061 at the 2010 census. The relatively small city has provided a unique place for noted Modern architecture and public art, commissioning numerous works since the mid-20th century; the annual program Exhibit Columbus celebrates this legacy. Located about south of Indianapolis, on the east fork of the White River, it is the state's 20th-largest city. It is the principal city of the Columbus, Indiana metropolitan statistical area, which encompasses all of Bartholomew County. Columbus is the birthplace of former Indiana Governor and former Vice President of the United States, Mike Pence.