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,
Dorothy Custer 1937, she married Marvin Custer, who claimed descent from George Armstrong Custer. The couple moved to Twin Falls in 1939. Custer began working as an amateur entertainer in 1916, eventually creating 13 characters as part of her stand-up routine. She had been an active harmonica player since 1923 and featured music in many of her acts, including her performances on the "Tonight Show". Despite her long career, by her own admission Custer didn't achieve fame until after her first appearance on the "Tonight Show" in 2011 at age 100. Custer was asked back later to "Tonight Show" where she sang