Bridgewater Center is a census-designated place (CDP) located in the west-central part of Bridgewater Township, Somerset County, in the U.S. state of New Jersey. It was first listed as a CDP prior to the 2020 census with a population of 4,616.
Within Bridgewater Township, the community is bordered to the northeast by Green Knoll and to the southwest by Bradley Gardens. To the south it is bordered by the boroughs of Raritan and Somerville. It is bordered to the northwest by Bedminster Township and to the west by Branchburg Township.
Interstate 287 forms the northeast border of the CDP, separating it from Green Knoll, while U.S. Route 22 forms the southern border with Somerville. Farther to the west, Route 28 (Easton Turnpike) forms the CDP's border with Raritan and Bradley Gardens.