Bridgeport is a city in eastern Harrison County, West Virginia, United States. The population was 9,325 at the 2020 census. It is part of th…Bridgeport is a city in eastern Harrison County, West Virginia, United States. The population was 9,325 at the 2020 census. It is part of the Clarksburg micropolitan area in North Central West Virginia. Bridgeport had its beginning in pre-American Revolutionary War times. In 1764, John Simpson entered the area and gave his name to Simpson Creek. Bridgeport was chartered in 1816.