Beattystown is an unincorporated community and census-designated place (CDP) located within Mansfield Township, in Warren, in the U.S. state of New Jersey. As of the 2020 census, Beattystown had a population of 4,701.
Beattystown has been listed as one of the 10 most endangered historic sites in New Jersey by Preservation New Jersey.
Beattystown was named after George Beatty, who built a mill here .
Geography
According to the United States Census Bureau, Beattystown had a total area of , including of land and of water (0.81%).