Beachwood is a borough situated in the Jersey Shore region, within Ocean County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 10,859, a decrease of 186 (−1.7%) from the 2010 census count of 11,045, which in turn reflected an increase of 670 (+6.5%) from the 10,375 counted in the 2000 census.