Mendham Free Public Library, serving an area of 5,000 residents, has a collection of 26,000 books and periodicals; in addition, there are 840 CDs, records, cassettes and other audio materials, as well as 1,600 video items, such as DVDs and VHS tapes. Internet terminals are available for use by the general public.
Staffing consists of 6 employees, of whom 2 are fully accredited librarians, plus volunteers. Annual expenditures on the library collection total $50,000. Patrons make 42,000 visits annually, and check out materials 56,000 times. Thirty-two percent of all check-outs are children's materials.