Blackgum is an unincorporated community and census-designated place in Sequoyah County, Oklahoma, United States.

[3] Oklahoma State Highway 100 passes through the community.

Blackgum had a post office from June 17, 1895, until February 15, 1995.

[4] According to the U.S. Census Bureau, the community has an area of 0.219 square miles (0.57 km2); 0.218 square miles (0.56 km2) of its area is land, and 0.001 square miles (0.0026 km2) is water.

This Oklahoma state location article is a stub.