Alpha a borough in Warren County, in the Allentown-Bethlehem metro area. It is in one of the eastern-most locations within the Lehigh Valley region. Alpha was incorporated as a borough in 1911, and is named after the Alpha Cement Company. The population is over 2,500 and the borough has a total area of 1.7 square miles. Alpha combines a well-developed industrial center with a comfortable residential haven. The housing in this area blends charming older homes in a variety of architectural styles with some multi-family developments. Nearby Phillipsburg provides expanded shopping opportunities, although the borough offers local retail activity.