The Port Sulphur Branch Library serves 2,174 residents who live in the Port Sulphur area, a census-designated place in Plaquemines Parish. The library is publicly funded and managed and belongs to the Plaquemines Parish Library System, which maintains 48,974 volumes and circulates 47,619 items annually, including books, DVDs, and audio materials. The Branch is open for services from Monday to Friday.