Columbia is the capital of the U.S. state of South Carolina. With a population of 136,632 as of the 2020 U.S. Census, it is the secondlargest city in South Carolina.[4][5] The city serves as the county seat of Richland County, and a portion of the city extends into neighboring Lexington County. It is the center of the Columbia metropolitan statistical area, which had a population of 829,470 and is the 72ndlargest metropolitan statistical area in the nation.[6] The name Columbia is a poetic term used for the United States, derived from the name of Christopher Columbus, who explored for the Spanish Crown. As per: Wikipedia