Beulah is located alongside
Interstate 90 which runs concurrently with
U.S. Route 14. The town is northeast of
Sundance, the
county seat of Crook County. Although Beulah is unincorporated, it is served by the
United States Postal Service and has a
post office, with the
ZIP code of 82712. According to the
United States Census Bureau, the CDP has a total area of 0.55 square mile (1.4 km2), all land. Beulah is located approximately 15 miles west of
Spearfish, South Dakota by I-90, and a further 62 miles east from
Rapid City. To the west, Beulah is located 47 miles of
Keyhole State Park and approximately 50 miles from
Devils Tower National Monument. The nearest
general aviation airport is
Black Hills Airport in Spearfish, and the nearest airport with commercial service is
Rapid City Regional Airport.
Climate According to the
Köppen Climate Classification system, Beulah has a
semi-arid climate, abbreviated "BSk" on climate maps. The climate table below includes data from Bear Ridge, South Dakota, a weather station 4.2 miles (6.8 km) southeast of Beulah. ==Education==