[21] The earliest settlers of the area were the Delaware Native Americans, who had a path through the woods from Lambertville through Mount Airy, Ringoes and Reaville to Newark which would later become the route followed by the Old York Road.

[1][2] Unincorporated communities, localities and place names located partially or completely within the township include Alexauken,[citation needed] Bowlryville, Bowne, Linvale (historically known as New Market), Mount Airy, Oakdale and Rocktown.

[25][26][27] The 2010 United States census counted 3,840 people, 1,102 households, and 839 families in the township.

[38] As of the 2000 United States census[13] there were 2,383 people, 949 households, and 696 families residing in the township.

[50][51][52] For the 119th United States Congress, New Jersey's 7th congressional district is represented by Thomas Kean Jr. (R, Westfield).

[54] For the 2024-2025 session, the 15th legislative district of the New Jersey Legislature is represented in the State Senate by Shirley Turner (D, Lawrence Township) and in the General Assembly by Verlina Reynolds-Jackson (D, Trenton) and Anthony Verrelli (D, Hopewell Township).

[61][62] Constitutional officers elected on a countywide basis are Clerk Mary H. Melfi (R; Flemington, 2026),[63][64] Sheriff Fredrick W. Brown (R; Alexandria Township, 2025)[65][66] and Surrogate Heidi Rohrbach (R; Lebanon Township, 2028).

[77] The South Hunterdon Regional School District serves students in pre-kindergarten through twelfth grade from Lambertville, Stockton and West Amwell Township.

[86][87][88] The township is assigned three of the nine seats on the regional district's board of education.

The executive county superintendent appointed an interim board of education for the new regional district, which was responsible for implementing the merger.

[90] Eighth grade students from all of Hunterdon County are eligible to apply to attend the high school programs offered by the Hunterdon County Vocational School District, a county-wide vocational school district that offers career and technical education at its campuses in Raritan Township and at programs sited at local high schools, with no tuition charged to students for attendance.

The district was added to the National Register of Historic Places on June 14, 1991, for its significance in agriculture, architecture, and exploration/settlement.

Central to the district is the Howell Living History Farm, which is a 130-acre (53 ha) living open-air museum located in the Hopewell Township side of the district, just north of Titusville.

[92][93] The farm was added to the National Register of Historic Places on May 2, 1977, for its significance in agriculture and architecture.

[94] The farm was first created by Joseph Phillips, a blacksmith, who purchased 125 acres (51 ha) from William Bryant in 1732.

By 1800, Henry Phillips, Joseph's son, had enlarged the farm by 100 acres (40 ha).

The current buildings on the property date to the 19th century, primarily before the American Civil War.

[92] The final private owner of the farm was the Howell family, who donated the land to Mercer County in 1974 for use as a museum.

[96] Route 29 passes through the southwestern part of the municipality, but without any roads that connect to the heart of the township.