Watchung Public Library is a Public library. This library is affiliated with Somerset County Library System .

Branchburg Library is a Public library. This library is affiliated with Somerset County Library System .

Washington Valley Library is a Public library. This library is affiliated with Somerset County Library System .

Margaret E Heggan Public Library is a Public library. This library is affiliated with the library system that serves Sewell, NJ. The collection of the library contains 84,398 volumes. The library circulates 255,206 items per year. The library serves a population of 48,559 residents .

Mercer County Library is a Public library. This library is affiliated with Mercer County Library System . The collection of the library contains 672,382 volumes. The library circulates 1,996,211 items per year. The library serves a population of 160,057 residents .

Hickory Corner Road Branch Library is a Public library. This library is affiliated with Mercer County Library System .

Hightstown Memorial Library is a Public library. This library is affiliated with Mercer County Library System .

Hollowbrook Branch is a Public library. This library is affiliated with Mercer County Library System .

Hopewell Branch Library is a Public library. This library is affiliated with Mercer County Library System .

Twin Rivers Branch Library is a Public library. This library is affiliated with Mercer County Library System .