Libraries & Archives in Unincorporated Sioux County 1 Libraries & Archives in Unincorporated Sioux County Unincorporated Sioux County SearchAll (29)Restaurants (1)Bars & nightlife (1)Hotels & lodging (4)Parks & nature (3)Libraries & Archives (1)Schools (K-12) (1)Historical Sites (7)Fitness & Recreation Centers (1)Grocery & food markets (2)House Cleaning Services (1)Sioux County High School Libraries & ArchivesPO Box 38