McMullin is an unincorporated community in Scott County, in the U.S. state of Missouri.
[1] The town site is located north of Sikeston on the El Camino Real, known today as U.S. Route 61.
A post office called McMullin was established in 1903, and remained in operation until 1924.
[2] The community has the name of Charlie McMullin, an early settler.
This Scott County, Missouri state location article is a stub.