The North Olympic Library System
services to all residents of Clallam County
. It has four locations around the county, including a main branch in Port Angeles
. One of its locations, the Forks branch, also serves residents of Jefferson County's West End. The library system has 40,000 registered patrons, nearly two-thirds of the residents of Clallam County.
- Port Angeles Branch Library & Administrative Center
- Sequim Branch Library
- Forks Branch Library
- Clallam Bay Branch Library