Black Walnut, Missouri

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Black Walnut is an unincorporated community in St. Charles County, in the U.S. state of Missouri.[1]


A post office called Black Walnut was established in 1875, and remained in operation until 1908.[2] The community was named for a grove of black walnut timber near the original town site.[3]


  1. ^ U.S. Geological Survey Geographic Names Information System: Black Walnut, Missouri
  2. ^ "Post Offices". Jim Forte Postal History. Retrieved 27 November 2016.
  3. ^ "St. Charles County Place Names, 1928–1945". The State Historical Society of Missouri. Archived from the original on June 24, 2016. Retrieved November 27, 2016.

Coordinates: 38°52′24″N 90°22′16″W / 38.87333°N 90.37111°W / 38.87333; -90.37111