A post office called Chloride was established in 1904, and remained in operation until 1953. The community's name is a transfer from Chloride, Arizona, the onetime home of an early settler.
- U.S. Geological Survey Geographic Names Information System: Chloride, Missouri
- "Post Offices". Jim Forte Postal History. Archived from the original on 12 October 2016. Retrieved 11 October 2016.
- "Iron County Place Names, 1928–1945 (archived)". The State Historical Society of Missouri. Archived from the original on 24 June 2016. Retrieved 11 October 2016.