The New Castle Public Library serves 65,825 residents in the city of New Castle, Lawrence County. The library maintains a collection of 115,380 volumes and circulates 217,470 items annually. It also features a collection of local city directories, yearbooks, standard reference works, county histories, and other genealogical collections housed in the library's Donald J. Nicolls History Room. It offers outreach services to homebound patrons, as well as programs for all ages, such as storytime, genealogy club, trivia time, tech time, homework help, and exam proctoring.