Toston is a census-designated place (CDP) in Broadwater County, Montana, United States.

[3] Thomas Toston settled in the area in 1871, establishing a ferry across the Missouri River.

The racial makeup of the CDP was 94.29% White, 0.95% Native American, and 4.76% from two or more races.

29.5% of all households were made up of individuals, and 6.8% had someone living alone who was 65 years of age or older.

[7] Toston students attend Townsend Elementary and Broadwater High School.