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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.[4]
Cornwall's population was 50 in 1909.[5]
46°42′32″N 116°51′57″W / 46.70889°N 116.86583°W