Centre Grove is a census-designated place located in Cumberland County, in the U.S. state of New Jersey. It is in the center part of the county, on the east side of Lawrence Township. It is bordered to the east by the city of Millville. Bridgeton, the Cumberland county seat, is 9 miles to the northwest. Centre Grove was first listed as a CDP prior to the 2020 census with a population of 1,281.