Alberton is a town in Mineral County, Montana, United States. The population was 374 at the 2000 census. It was named for Albert J. Earling, president of the Chicago, Milwaukee, St. Paul and Pacific Railroad. Alberton was the location of a major chlorine chemical release in 1996. , Alberton is the home of Northwest Indian Bible School, a bible-training institution founded and operated by the Allegheny Wesleyan Methodist Connection (Original Allegheny Conference.)
Alberton is located at 47°0′13″N 114°28′41″W / 47.00361°N 114.47806°W / 47.00361; -114.47806 (47.003546, -114.477977).
According to the United States Census Bureau, the town has a total area of 0.6 square miles (1.6 km²), of which, 0.6 square miles (1.5 km²) of it is land and 0.04 square miles (0.1 km²) of it (3.33%) is water.