Oxford is an unincorporated community and census-designated place (CDP) located within Oxford Township in Warren County, New Jersey, United States, that was created as part of the 2010 United States Census. As of the 2010 Census, the CDP's population was 1,090.

Oxford Township is a township in Warren County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 2,444, a decrease of 70 (−2.8%) from the 2010 census count of 2,514, which in turn reflected an increase of 207 (+9.0%) from the 2,307 counted in the 2000 census.