The Lancaster Public Library, consisting of the Lancaster City Main Branch and Mountville Branch, serves 206,820 residents in Lancaster County. The library maintains 259,908 volumes and circulates 827,929 items per year. Its books and other collections include Teacher Book Bundles, local history, and digital materials. It also houses an Autism Resource Center featuring collections of over 800 books, DVDs, games, puzzles, toys, and resources helpful for people with autism. Lancaster Public Library provides meeting rooms, public computers, WiFi, test proctoring, passport services, interlibrary loans, and other library programs and services.