Cornwall is an unincorporated community in Latah County, in the U.S. state of Idaho.
[1] Cornwall was founded in 1887 by Mason Cornwall, and named for him.
[2] A post office was established at Cornwall in 1887, and remained in operation until it was discontinued in 1901.
[3] The founder's home, the Mason Cornwall House, is listed on the National Register of Historic Places.
This Latah County, Idaho state location article is a stub.