|Alt names||Gravel Hill||source: USGS, GNIS Digital Gazetteer (1994) GNIS34000628|
|Located in||Warren, New Jersey, United States|
- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
Blairstown is a township in Warren County, New Jersey, United States. As of the 2010 United States Census, the township's population was 5,967 reflecting an increase of 220 (+3.8%) from the 5,747 counted in the 2000 Census, which had in turn increased by 416 (+7.8%) from the 5,331 counted in the 1990 Census.
Blairstown Township was incorporated as a township by an Act of the New Jersey Legislature on April 14, 1845, from portions of Knowlton Township, based on the results of a referendum held that day.