Oermann is an unincorporated community in western Jefferson County, in the U.S. state of Missouri. [1] The community is located on Missouri Route 30 approximately two miles northeast of Grubville and two miles southwest of Dittmer. [2]
A post office called Oermann was established in 1888, and remained in operation until 1955. [3] Charles Oermann, an early postmaster, gave the community his last name. [4]
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