Access an extensive selection of data related to over 70 libraries in St. Louis County, Missouri, vital for all GIS professionals mapping out community resources or establishing educational resource networks. The dataset includes the libraries' names, addresses, opening hours, and contact information. For instance, the Bridgeton Trails Branch on McKelvey Road offers extensive resources and community-driven services outlined on their webpage. At the Kirkwood Public Library, connectivity blends with tradition, providing readers a place not just to borrow books but also to engage with digital content, evident from their latest opening hours and online presence. This compilation serves a practical tool for those integrating library locations into broader geographic analyses across St. Louis County.