Hartland Colony is a Hutterite community[3] and census-designated place (CDP) in Blaine County, Montana, United States.

It is in the northwest corner of the county, 34 miles (55 km) northwest of Chinook, the county seat, and less than 4 miles (6 km) south of the Canadian border.

Hartland Colony was first listed as a CDP prior to the 2020 census.

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