Hillsville is an unincorporated community in Lawrence County, Pennsylvania, United States. The community is 7.8 miles west of New Castle and 1.2 miles east of the border between Pennsylvania and Ohio. It is on the south side of the Mahoning River at the top of an approximately 0.4 miles very steep road grade up Churchill Road from river level that passes over U.S. Route 224 by a bridge along the way.