Griggstown is an unincorporated community and census-designated place (CDP)[7] located within Franklin Township, in Somerset County, in the U.S. state of New Jersey.

The Millstone River and the Delaware and Raritan Canal both flow through Griggstown.

Among these settlers were four sons born to John and Elizabeth Griggs: Benjamin (b.

Griggstown was named after Benjamin Griggs, who established a grist mill on the Millstone River that served as a meeting place for the European farmers of the area and as such the center of the community that would become Griggstown.

An actual feral bull believed to be the phantom cow was found in a ditch in November 23, 2002, dying after being rescued.

[15] The 2010 United States census counted 819 people, 346 households, and 230 families in the CDP.

It was added to the National Register of Historic Places on August 2, 1984 for its significance in agriculture, architecture, commerce, industry, and transportation.