The Library District is an officially designated neighborhood in DowntownKansas City, Missouri, United States, roughly bounded by 9th and 11th Streets on the north and south and Main Street and Broadway on the east and west. The District contains a sub-district named the West Ninth Street/Baltimore Avenue Historic District listed on the National Register and which includes several buildings individually listed on the National Register of Historic Places. It also contains other notable structures not listed on the National Register.