Helmer is an unincorporated community in Latah County, Idaho, United States.
Helmer was founded when the railroad was extended to that point.
[2] A post office was established at Helmer in 1907, and remained in operation until 1929.
[3] Helmer's population was estimated at 50 in 1909,[4] and was 30 in 1960.
This Latah County, Idaho state location article is a stub.