Stephenville (also called Stephenville Ranch, Stephenville Ranch Homes or Stephenville Village) is an unincorporated community and residential neighborhood located within Edison Township in Middlesex County, New Jersey, United States. The community is centered around Park Avenue, which borders the south and west ends of the community, Stephenville Parkway, a median strip-street which runs east–west in the center of the community, and Plainfield Road, which borders the east end of the community. An eastern addition to Stephenville was planned in the early 1950s, east of Plainfield Road, but after years of political, residential and township issues, it was ultimately abandoned and portions were sectioned off into different communities during the late 1950s and early 1960s. Stephenville is lo