Sinkin is an extinct town in northern Shannon County, in the U.S. state of Missouri.
[1] The community was located on a sharp meander in Sinking Creek at an area known as The Sinks where the stream goes underground for a short distance.
[2] A post office called Sinkin was established in 1869, and remained in operation until 1933.
[3] The community took its name from nearby Sinking Creek.
This Shannon County, Missouri state location article is a stub.