The Cathedral City Library is a public library serving more than 52,000 residents in the city of Cathedral City in Riverside County, California. It is an affiliate branch of the Riverside County Library System (RCLS), which was founded in 1911 as the Riverside County Free Library. Cathedral City Library was opened in 1938 in response to rising demand for library services and a larger area. It adds to the county system's overall resources, which include more than 47,000 books and serial volumes, nearly 13,000 e-books, more than 3,000 audio files, and nearly 7,000 video files. Also, the library system saw more than 83,000 visitors annually, more than 132,000 items circulated, and over 10,000 registered borrowers.