Cass County Public Library, serving an area of 84,000 residents, has a collection of 132,000 books and periodicals; in addition, there are 1,800 CDs, records, cassettes and other audio materials, as well as 3,300 video items, such as DVDs and VHS tapes. Internet terminals are available for use by the general public.

Staffing consists of one employee, including one fully accredited librarian, plus volunteers. The system comprises one central library and 9 branch libraries. Annual expenditures on the library collection total $260,000. Patrons make 140,000 visits annually, and check out materials 960,000 times. Forty-eight percent of all check-outs are children's materials.

This facility houses administative offices. Branch libraries are listed below.