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,
Battle of the Little Bighorn Indians" last stand" in the area. Within 48 hours of the battle, the large encampment on the Little Bighorn broke up into smaller groups because there was not enough game and grass to sustain a large congregation of people and horses. Oglala Sioux Black Elk recounted the exodus this way: "We fled all night, following the Greasy Grass. My two younger brothers and I rode in a pony-drag, and my mother put some young pups in with us. They were always trying to crawl out and I was always putting them back in, so I didn't sleep much." The scattered