Cohagen is an unincorporated community in southeastern Garfield County, Montana, United States.

It lies along Highway 59 southeast of the town of Jordan, the county seat of Garfield County.

[2] Cohagen's post office, with the ZIP code of 59322,[3] opened on August 18, 1905.

[5] In September 2020, Cohagen was evacuated due to wildfire threat.

This Garfield County, Montana state location article is a stub.