Clackamas County has a total of 12 Libraries: Canby Public Library, Clackamas County Library, Estacada Public Library, Gladstone Public Library, Hoodland Branch Library, Lake Oswego Public Library, Ledding Library, Molalla Public Library, Oregon City Public Library, Sandy Public Library, West Linn Public Library, and Wilsonville Public Library.

Clackamas County Library has a total of 3 branches named after Clackamas Corner Library, Hoodland Library, and Oak Lodge Library. The Libraries Reference Resources include Arts, Entertainment & Travel, Career & Business, College, Education & Scholarships, Consumer & Reference, Government, Health, Legal Help, News, Magazines, and Weather. The Libraries also include a Books-by-Mail Program.The Clackamas County Library provides Books-By-Mail. If a member of one of the 3 Libraries is located in an unincorporated area and is homebound, one of the Libraries will mail books and videos to their home.

Wilsonville Public Library has a collection of more than 70,000 items in several formats, supplemented by local and far-reaching, professional services, and a friendly staff. Most materials circulate for 28 days, with these exceptions except for Best Sellers, Magazines, Career Center, Compact Discs, and Videocassettes/DVDs. Special Services include:Children's Storytimes, Web and Dial-up Catalog Access, Computer Workstations, Free Internet Access, Free Word Processing, Spreadsheet Software (MS Excel), ESL Tutoring.