Castor Branch Library serves 230 residents in the City of Castor. Established in 1920, the library is part of the Bienville Parish Library System. The library system maintains 80,000 volumes and circulates 107,500 items per year. Castor Branch Library offers books, audiobooks, DVDs, magazines, large print books, movies, music, online databases, a meeting room, public computers, free Wi-Fi, interlibrary loan, copying, and faxing services.