Ismay, Montana

Ismay is a town in Custer County, Montana, United States. There is a post office at Ismay, and a church, and no other businesses or services. The population was 17 at the 2020 census. The town is the least-populous incorporated municipality in the state of Montana.
  • Elevation: 2,526 ft (770 m)
  • Country: United States
  • State: Montana
  • County: Custer
  • ZIP code: 59336
  • Area code: 406
  • FIPS code: 30-38950
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