Mount Lebanon Public Library, serving an area of 33,000 residents, has a collection of 147,000 books and periodicals; in addition, there are 8,000 CDs, records, cassettes and other audio materials, as well as 3,700 video items, such as DVDs and VHS tapes. Internet terminals are available for use by the general public.
Staffing consists of 25 employees, of whom 11 are fully accredited librarians, plus volunteers. Annual expenditures on the library collection total $270,000. Patrons make 400,000 visits annually, and check out materials 500,000 times. Forty-two percent of all check-outs are children's materials.