Cappeln is an unincorporated community in St. Charles County, in the U.S. state of Missouri.[1]
A post office called Cappeln was established in 1870, and remained in operation until 1907.[2] The community takes its name from Cappeln, in Germany.[3]
38°41′03″N 90°56′20″W / 38.68417°N 90.93889°W