Beulah is an unincorporated community and a post office located within the Beulah Valley census-designated place in Pueblo County, Colorado, United States. The Beulah Post Office has the ZIP code 81023. Beulah is a part of the Beulah Valley CDP (census-designated place). Beulah lies along State Highway 78 about 21 miles southwest of Pueblo, in the foothills of the Wet Mountains.