Silver Star is located in Madison County, Montana, United States. Silver Star is located on Montana Highway 41, 10.3 miles (16.6 km) north-northeast of Twin Bridges. The community has a post office in operation today, and still has its own ZIP code, 59751.
Green Campbell made the first gold discovery in this area in 1866. The community was named for the Silver Star mining claim. The post office opened in 1869.