Branchburg Township is located in western Somerset County where the North Branch and South Branch of the Raritan River meet a landscape of farms, wooded neighborhoods, business parks, and historic villages. U.S. Routes 22, 202, and 206, along with nearby Interstate 78, provide access toward Bridgewater, Somerville, Flemington, and the wider region. The township includes communities such as North Branch and Neshanic Station, each reflecting different periods of agricultural, railroad, and suburban development. Raritan Valley Community College occupies a large campus near the center of the municipality. Branchburg contains industrial and office properties along its main road corridors, while rural roads and preserved land remain prominent in the southern and western sections. Parks, schools, riverfront areas, and residential subdivisions contribute to a varied local landscape. The township's transportation access and relatively large land area create a balance between employment centers and the rural character associated with western Somerset County.