The Hillsdale Library is a branch of the Multnomah County Library, located in Hillsdale, Portland, Oregon. The branch offers the Multnomah County Library catalog of two million books, periodicals and other materials. The original library building at this location opened in 1957 and was replaced by a new building on the same site in 2004. The new library, a green building designed to minimize environmental impacts, has 12,000 square feet of floor space and a storage capacity of 75,000 volumes.