Public libraries · Somerset County, New Jersey
Rocky Hill Borough public library locations
Library locations
- Mary Jacobs Branch Library branch · Somerset County Library
- 64 Washington Street, Rocky Hill 08553 · map
- (609) 924-7073
- 12 hours a week
Locations from the IMLS Public Libraries Survey FY2023 outlet file, placed inside municipal boundaries from the NJ Office of GIS. Municipality name and code: NJ DCA. Legislative districts: NJ Legislature, 2026-09-18.