Grinnell Public Library, part of the Mid-Hudson Library System, provides free access to a wide variety of informational, educational, recreational, and cultural resources and programs for the Wappingers Falls community.

It offers materials and services including microfilm archives of local newspapers, a local history and special collection (available by appointment), themed exhibitions (such as bird displays), and art works like paintings of local scenes.

Its mission is to meet diverse community needs through its own holdings and partnership with the regional library system.