Mercer County Library System

We are committed to providing the materials and services that satisfy the educational, informational, recreational, and cultural needs of our diverse community, and strive to encourage a lifelong interest in reading.

Branch Hours – Hybrid Opening

All library visitors over the age of 2 must wear face masks that cover the nose and mouth both inside a County library facility, and outside, when receiving library materials.
See our Hybrid Opening Details for more information.

Public Browsing – Now open for longer

Quick, intentional visits instead of casual extended stays are encouraged. The Hollowbrook Branch will not be open for browsing, but is open for Curbside Pick-Up.

  • Monday: 10:00 am to 5:00 pm
  • Wednesday: 10:00 am to 8:00 pm
  • Friday: 10:00 am to 5:00 pm
  • Saturday: 2:00 pm to 5:00 pm

Aged 65+ and Immunocompromised Individuals

  • Monday: 10:00 am to 11:00 am
  • Friday: 10:00 am to 11:00 am

Curbside Pick-Up Appointments

Appointments must be booked no later than one hour before the timeslot. If you would like to book a timeslot within an hour, please call the branch to see if they can accommodate you.

  • Tuesday: 10 am to 4:30 pm
  • Thursday: 10 am to 4:30 pm
  • Saturday: 10 am to 12:30 pm

Available Services


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Need help with the catalog? Visit our Catalog Help page!
 Full Text + Print

Events


Online Content

Mercer County Library Card holders have access to digital movies, music, magazines, books, articles, reference sources, business directories, and more – 24/7!

Behind the Books: Our New Podcast

Behind the Books is a bi-weekly podcast, including interviews with an author, as well an MCLS library staff member each episode.

Featured Databases for Remote Learning


Readers’ Advisory

Staff Picks