Rosemont is an unincorporated community located within Delaware Township in Hunterdon County, in the U.S. state of New Jersey. Its ZIP code is 08556. Situated at the top of a small hill, the center of the community lies along Kingwood Stockton Road (County Route 519), near its intersections with Raven Rock Rosemont Road and Rosemont Ringoes Road (CR 604). The surrounding area consists of farmland (which is listed on the National Register of Historic Places) and residential properties. The center of the settlement features residences, a post office, and an antique shop.
People who were born in, residents of, or otherwise closely associated with Rosemont include: