The Rancho San Diego Library serves 105,432 residents in the City of El Cajon and is a part of the San Diego County Library. The Library System maintains 1.4 million volumes and circulates 11.5 million items annually. The Rancho San Diego Library provides books, music, CDs, DVDs, MakerBot 3D Printer, ADA-accessible facilities, a community room, WiFi, and programs such as digital literacy, tech support, teen game day, and storytime.