Jamesburg is a borough in Middlesex County, located in central New Jersey near the Raritan River and major north-south transportation corridors. The borough has established residential neighborhoods, local civic uses, and commercial areas that serve residents and nearby communities. Middlesex County combines established towns and suburbs with university areas, industrial districts, warehouses, riverfront communities, and growing residential centers. The New Jersey Turnpike, Garden State Parkway, Interstate 287, and Routes 1, 9, and 18 connect the county with Newark, New York City, the Jersey Shore, and the state capital region. Higher education, healthcare, manufacturing, logistics, retail, and a broad housing market give the county a diverse economic and community profile. Jamesburg remains a distinct local community within the wider network of towns, services, and transportation that shapes Middlesex County.