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 based on the Yellowstone River at the mouth of the Bighorn and reinforced by Gibbon's column. On August 8, 1876, after Terry was further reinforced with the 5th Infantry, the expedition moved up Rosebud Creek in pursuit of the Lakota. It met with Crook's command, similarly reinforced, and the combined force, almost 4,000 strong, followed the Lakota trail northeast toward the Little Missouri River. Persistent rain and lack of supplies forced the column to dissolve and return to its varying starting points. The 7th Cavalry returned to Fort Abraham Lincoln to reconstitute. The regimental commander, Colonel Samuel D. Sturgis, returned