Custer, Montana Custer, Montana Custer is a census-designated place (CDP) in Yellowstone County, Montana, United States. The population was 145 at the 2000 census. This community bears the name of U.S. Army General George Armstrong Custer who was defeated and killed at the Battle of Little Big Horn, which took place nearby in 1876. Custer is located at (46.128870, -107.556302). According to the United States Census Bureau, the CDP has a total area of , all of it land. According to the Köppen Climate Classification system, Custer has a semi-arid climate, abbreviated "BSk" on climate maps. As of the census of 2000,
Custer, South Dakota Jackson), but it was renamed for Custer. Almost abandoned in 1876 after word of the much larger gold strikes in Deadwood Gulch spread, Custer later became an established city. Custer has had a smaller population and been less wealthy than the Northern Hills cities of Deadwood and Lead. In addition to gold, Custer and other cities based their economies on the extraction of industrial minerals, which are still important to the regional economy. Custer annually observes a "Gold Discovery Days" celebration and festivities over the last full weekend of July. This heritage tourism event celebrates the discovery of gold by