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,
George Armstrong Custer attack on the Cheyenne encampment of Chief Black Kettle — the Battle of Washita River. Custer reported killing 103 warriors and some women and children; 53 women and children were taken as prisoners. Estimates by the Cheyenne of their casualties were substantially lower (11 warriors plus 19 women and children). Custer had his men shoot most of the 875 Indian ponies they had captured. The Battle of Washita River was regarded as the first substantial U.S. victory in the Southern Plains War, and it helped force a significant portion of the Southern Cheyenne onto a U.S.-assigned reservation. In 1873, Custer