Forest Hill is an unincorporated community and neighborhood within the city of Newark in Essex County, New Jersey, United States. It is a pre-World War II neighborhood in the North Ward. It is bounded on the west by Branch Brook Park, on the south by Bloomfield Avenue (some maps place the southern limit at 2nd Avenue), and on the east by both Summer and Mt. Prospect Avenues, the neighborhood of Broadway. The neighborhood's ZIP code is 07104.