The Mifflin County Library serves over 46,000 residents of Mifflin County, Pennsylvania. Located in the city of Lewistown with a branch library in Belleville, the publicly funded library maintains a collection of approximately 91,000 volumes and circulates over 148,000 items annually. It offers interlibrary loans and Library by Mail services to residents of Centre, Clearfield, Juniata, or Mifflin Counties who are unable to visit the library. It also offers numerous community events for children and adults.