Stevens, Pennsylvania, is an unincorporated community and census-designated place in Lancaster County, Pennsylvania, United States. The Stevens post office has ZIP code 17578. Stevens was named in honor of Thaddeus Stevens. It was originally also called Reamstown Station, due to its being the closest railroad station to the much larger community of Reamstown. By 1899, the community was just referred to as Stevens P.O.The Schoeneck and Reamstown Elementary Schools, in the Cocalico School District, have Stevens addresses, as do several churches and the Mount Airy Kennels.Stevens is the home of several small businesses. Among them are Golden Witch Technologies, a mom-and-pop business started by Russ Gooding, a college philosophy major who became one of the few professional rod makers in the world for fly fishermen.Eberly Poultry, who employs about 70 workers at their processing plant in the Stevens area.