The William H. and Marion C. Alexander Family Library serves about 4,535 residents of Hummelstown in Dauphin County. The library holds about 16,000 volumes in the adult study area, 1,700 volumes in the teens' area, and 15,000 volumes in the children's area. Additionally, it has meeting rooms, a reader's garden, and several computer terminals accessible to all patrons, including kids, youths, and adults.