Mount Bullion is an unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 in Mariposa County

Mariposa County, California

Mariposa County is a county in the U.S. state of California, located in the western foothills of the Sierra Nevada mountains. It lies north of Fresno, east of Merced, and southeast of Stockton. As of the 2010 census, the population was 18,251 up from 17,130 at the 2000 census...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

. It is located 6 miles (9.7 km) southeast of Bear Valley

Bear Valley, Mariposa County, California

Bear Valley is a census-designated place in Mariposa County, California. It is located south-southeast of Coulterville, at an elevation of 2054 feet . Bear Valley was designated California Historical Landmark #331...

, at an elevation of 2152 feet (656 m).

A post office operated at Mount Bullion from 1862 to 1955, with a closure for a period during 1887. The place was first named La Mineta (for little mine). Then it was called Princeton for the Princeton Mine nearby. Finally, the name Mount Bullion was applied in honor of Senator Thomas Hart Benton, whose nickname was "Old Bullion" due to his fiscal policies.