The San Luis Branch Library serves about 37,333 residents in San Luis, Yuma County. Opened in 2009, the library formed part of the Yuma County Library District, which maintains about 350,000 volumes and circulates 756,375 items per year, including fiction, nonfiction, and large prints. It offers ESL and citizenship classes, bilingual family storytime, book clubs, meeting and study rooms, computers, copying, and wireless printing services.