Helmville, Montana

Helmville is an unincorporated community in Powell County, Montana, United States. Helmville is located in the central section of the county near Montana Highway 141, 13 mi southeast of Ovando. The community has a post office with ZIP code 59843.

The community is named for J. H. Helms, who applied for a post office. It was granted in 1872.

Helmville is near the confluence of Nevada Creek and the Blackfoot River.