Thomasville, Pennsylvania  Thomasville is an unincorporated community in Jackson Township of York County, Pennsylvania, United States, west of the city of York. The community is home to Martin's Potato Chips. The community is located within the Spring Grove Area School District and administers the Paradise Elementary School with an enrollment of 355 students. The Lincoln Highway, U.S. Route 30, serves Thomasville. Thomasville is home to the privately owned, public-use York Airport which houses a STAT Medevac unit.