Appoquinimink Public Library serves 24,700 residents in the City of Middletown and belongs to the New Castle Library system. The library system maintains 740,000 volumes and circulates 3.7 million items per year. Appoguinimink Public Library offers books, audiobooks, DVDs, CDs, magazines, online resources, a video studio, a maker space, an audio studio, teen's area, four meeting rooms, five study rooms, public computers with internet access, and free Wi-Fi.