Delaware Township, Hunterdon County, New Jersey

The Covered Bridge Historic District, in Delaware Township, Hunterdon County, New Jersey, is a 97-acre (39 ha) historic district along County Route 604, Pine Hill Road, and Lower Creek Road. It was listed on the National Register of Historic Places on March 5, 1999, for its significance in architecture, settlement, and transportation. The listing included seven contributing buildings, two contributing structures, and three contributing sites.

Green Sergeant's Covered Bridge is a wooden covered bridge over the Wickecheoke Creek near the border between the Hunterdon Plateau and Amwell Valley located in Delaware Township, Hunterdon County, New Jersey. As the last historic covered bridge in the state of New Jersey, it was listed on the National Register of Historic Places on November 19, 1974 for its significance in engineering and transportation (the Scarborough Bridge in Cherry Hill is the only other covered bridge in New Jersey). It was added as a contributing property to the Covered Bridge Historic District in 1999.

Sergeantsville is a historic unincorporated community located within Delaware Township, in Hunterdon County, in the U.S. state of New Jersey.Sergeantsville was first settled by a Mr. Thatcher in 1700, and was later named for Charles Sergeant, an American Revolutionary War soldier, in honor of the Sergeant family of which three brothers were local shopkeepers. "Out-of-towners give themselves away when they pronounce the first syllable 'sarge'; it's 'serge.'" Green Sergeant's Covered Bridge, constructed in 1872 across the Wickecheoke Creek, is located just west of Sergeantsville and is the oldest remaining covered bridge in New Jersey.Sergeantsville was officially created in 1827 when it became desirable to establish a post office. Until that time, this largely rural area was known as "Skunktown", perhaps because the town served as a market center for skunk pelts.Sergeantsville's annual "Thanksgiving in the Country" house tour, established in 1973, takes four or five different homes each year, that have historical, architectural or cultural qualities.

The Worman Road stone arch bridge over Shoppon's Run is a historic bridge located in Delaware Township in Hunterdon County, New Jersey, United States. Built in 1883, the stone arch bridge was added to the National Register of Historic Places on September 29, 2025, for its significance in engineering and transportation. It was listed as part of the Historic Bridges of Delaware Township, Hunterdon County, New Jersey Multiple Property Submission (MPS).

Sandy Ridge is an unincorporated community located within Delaware Township in Hunterdon County, in the U.S. state of New Jersey. As its name implies, the community is located at the top of a small hill that is sandwiched between the Hunterdon Plateau and the Sourland Mountains. Sandy Ridge Road is the main road east and west through the community while County Route 605 is a minor arterial road that passes north and south through the area. CR 605 enters from the south on Sandy Ridge-Mt. Airy Road, jogs to the west on Sandy Ridge Road for 0.04 miles (64 m), and exits to the north on Cemetery Road towards CR 523. The area consists of mainly residences with some farmland and forestland. The Sandy Ridge Church (with adjacent cemetery) is a Baptist church founded in 1818 with its current building constructed in 1866 and is located in the center of Sandy Ridge.

The Locktown–Sergeantsville Road truss bridge over Plum Brook is a historic Warren truss bridge located near Locktown in Delaware Township, Hunterdon County, New Jersey, United States. Built in 1922 by Snook and Sons, it was added to the National Register of Historic Places on March 24, 2025, for its significance in engineering and transportation. It was listed as part of the Historic Bridges of Delaware Township, Hunterdon County, New Jersey Multiple Property Submission (MPS).

The Lower Creek Road truss bridge over the Wickecheoke Creek is a historic Warren truss bridge located in Delaware Township in Hunterdon County, New Jersey, United States. Built around 1915, it was added to the National Register of Historic Places on May 23, 2025, for its significance in engineering and transportation. It was listed as part of the Historic Bridges of Delaware Township, Hunterdon County, New Jersey Multiple Property Submission (MPS).

The Old Mill Road truss bridge over the Wickecheoke Creek is a historic Pratt truss bridge located in Delaware Township in Hunterdon County, New Jersey, United States. Built in 1899, it was added to the National Register of Historic Places on May 23, 2025, for its significance in engineering and transportation. It was listed as part of the Historic Bridges of Delaware Township, Hunterdon County, New Jersey Multiple Property Submission (MPS).

Headquarters is an unincorporated community located within the Amwell Valley of Delaware Township in Hunterdon County, New Jersey. The settlement is centered around the intersection of Zentek Road and County Route 604 (Rosemont-Ringoes Road). It is about 3 miles (4.8 km) from Ringoes to the east and 1 mile (1.6 km) from Sergeantsville to the west. The Headquarters Historic District was listed on the state and national registers of historic places in 2011 and had its boundary increased in 2016.

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. Located at the top of a small hill, the center of the community is located along Kingwood Stockton Road (County Route 519) near its intersections with Raven Rock Rosemont Road and Rosemont Ringoes Road (CR 604). Farmland (for which it is listed on the National Register of Historic Places) and residences make up the surrounding area while the center of the settlement includes residences, a post office, and an antique shop.

Stockton is a borough in Hunterdon County, in the U.S. state of New Jersey. The borough sits on the Delaware River at the western end of Amwell Valley. As of the 2020 United States census, the borough's population was 495, a decrease of 43 (−8.0%) from the 2010 census count of 538, which in turn reflected a decline of 22 (−3.9%) from the 560 counted in the 2000 census.Stockton was incorporated as a borough by an act of the New Jersey Legislature on April 14, 1898, from portions of Delaware Township.

The District No. 98 Schoolhouse, also known as the Stockton School, is a historic school located at 19 South Main Street in the borough of Stockton in Hunterdon County, New Jersey. It was added to the National Register of Historic Places on January 12, 2005, for its significance in education.