Pueblo County /ˈpwɛbloʊ/ is one of the 64 counties in the U.S. state of Colorado. As of the 2010 census, the population was 159,063. The county seat is Pueblo. The county was named for the historic city of Pueblo which took its name from the Spanish language word meaning "town" or "village".Pueblo County comprises the Pueblo, CO Metropolitan Statistical Area.