Mountainside Public Library, serving an area of 6,600 residents, has a collection of 52,000 books and periodicals; in addition, there are 2,000 CDs, records, cassettes and other audio materials, as well as 1,760 video items, such as DVDs and VHS tapes. Internet terminals are available for use by the general public.
Staffing consists of 7 employees, of whom 2 are fully accredited librarians, plus volunteers. Annual expenditures on the library collection total $72,000. Patrons make 50,000 visits annually, and check out materials 72,000 times. Forty percent of all check-outs are children's materials.