Tiff is an unincorporated community in eastern Washington County, Missouri, United States.[1] It is located approximately eight miles northeast of Potosi. The community was named for the barite ore found here, also known as "tiff".[2] The community was founded as a company town in the early 1900s by John Cambel to house miners for his South East Missouri Barytes Company.[3] A post office called Tiff has been in operation since 1905.[4]

Tiff | |
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Unincorporated community | |
Tiff post office | |
Tiff | |
| Coordinates: 38°01′09″N 90°39′10″W | |
| Country | United States |
| State | Missouri |
| Postal code | 63674 |
Municipalities and communities of Washington County, Missouri, United States | ||
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County seat: Potosi | ||
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| Footnotes | ‡This populated place also has portions in an adjacent county or counties | |
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