Beulah Valley is a census-designated place (CDP) in and governed by Pueblo County, Colorado, United States. The CDP is a part of the Pueblo, CO Metropolitan Statistical Area. The population of the Beulah Valley CDP was 518 at the United States Census 2020. The Beulah post office serves the area. Bishop Castle, constructed by Jim Bishop, otherwise known as a "one man castle", is located between Beulah and San Isabel, Colorado. Geography The Beulah Valley CDP has an area of , including of water. Demographics The United States Census Bureau initially defined the for the See also List of census-designated places in Colorado References External links Beulah Valley @ UncoverColorado.com Mace's Hole: A History of Bandits, Brigands, and Beulah Pueblo County website Census-designated places in Pueblo County, Colorado Census-designated places in Colorado