- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
Williamstown is a borough in Dauphin County, Pennsylvania, northeast of Harrisburg. Formerly, Anthracite coal mines were here, as well as hosiery mills. The population was 1,433 at the 2000 census.
Williamstown is part of the Harrisburg–Carlisle Metropolitan Statistical Area.