Detroit Public Library, serving an area of 960,000 residents, has a collection of 2,900,000 books and periodicals; in addition, there are 105,000 CDs, records, cassettes and other audio materials, as well as 27,000 video items, such as DVDs and VHS tapes. Internet terminals are available for use by the general public.
Staffing consists of 500 employees, of whom 189 are fully accredited librarians, plus volunteers. The system comprises one central library and 23 branch libraries, plus one bookmobile. Annual expenditures on the library collection total $2,300,000. Patrons make 3,500,000 visits annually, and check out materials 2,300,000 times. Forty-four percent of all check-outs are children's materials.