The Zelienople Area Public Library serves the communities of Zelienople Borough, Harmony Borough, Lancaster Township, and Jackson Township. Its mission is to provide a community center for lifelong learning, enjoyment, and discovery for people of all ages. The library offers a collection of over 40,000 items, including books, videos, and audio materials, as well as public computers for internet access and word processing. It participates in the PA Forward Initiative, focusing on basic, information, civic and social, health, and financial literacies. The library also provides various adult services, such as book clubs, technology classes, and job search assistance, and offers reference and information assistance to patrons.