Sunnybrook Colony is a Hutterite community and census-designated place (CDP) in Chouteau County, Montana, United States. It is in the northern part of the county, 32 miles (51 km) north of Fort Benton and 34 miles (55 km) south-southeast of Chester.

The community was first listed as a CDP prior to the 2020 census.

Demographics

Historical population

Census	Pop.	Note	%±
2020	0		—
U.S. Decennial Census