Duvall Library, remodeled in 2012 as part of the Library Capital Improvement Plan Bond


King County Library System

Founded in 1942, the King County Library System (KCLS) is one of the largest and busiest library system’s in the country. KCLS currently has 49 library branches spread throughout King County with more than 700,000 cardholders. In 2016, King County residents checked out almost 21 million items, including 3.5 million digital ebooks and audiobooks, making KCLS the number one circulating library for online downloads in the United States. Last year KCLS also had 10 million library visitors and 64 million catalogue searches.

Read more about 2016 in KCLS By The Numbers

KCLS Mission

To inspire the people of King County to succeed through ideas, interaction and information.

KCLS Vision

A world where knowledge allows diverse communities to prosper and grow.

KCLS Values

    •   Knowledge
    •   Diversity, Equity & Inclusion
    •   Intellectual Freedom

Read more about KCLS Mission, Vision, & Values