Mercer Co Library

Mercer County Library System is a public library network serving the diverse educational, informational, recreational, and cultural needs of its community in Mercer County, New Jersey. With branches across the county and a virtual branch, the system encourages lifelong reading and learning through welcoming spaces, collections, and services for children, teens, and adults.

Patrons can browse books, magazines, newspapers, movies, and other materials, access digital resources such as e-books and streaming entertainment, and use tools for research, language learning, career preparation, and education. The library also offers interlibrary loans, homebound borrowing, museum passes, personalized reading recommendations, printing, technology instruction, and study and community rooms.

Its programs include book clubs, storytimes, computer classes, English learning groups, reading challenges, author talks, and seasonal activities. Additional support includes job interview practice, resume review, college essay assistance, notary services, tax assistance, and social service resources. Visitors can apply for or renew a library card, search the catalog, reserve materials, and attend events at local branches or online.