Custer County, Nebraska $16,171. About 9.10% of families and 12.40% of the population were below the poverty line, including 16.20% of those under age 18 and 9.10% of those age 65 or over. Custer County, Nebraska Custer County is a county in the U.S. state of Nebraska. As of the 2010 census, the population was 10,939. Its county seat is Broken Bow. The county was formed in 1877 and named after General George Armstrong Custer, who was killed at the Battle of Little Bighorn. In the Nebraska license plate system, Custer County is represented by the prefix 4 (it had the fourth-largest number
Thomas Custer towards his brother Armstrong's personal battle flag and handed the captured flag to one of Armstrong's aides while declaring, "Armstrong, the damned rebels shot me, but I've got my flag." Custer turned his horse to rejoin the battle, but Armstrong (who had only seconds before seen another of his aides be shot in the face and fall from his horse dead) ordered Custer to report to the surgeon. Tom ignored the order and his brother placed him under arrest, ordering him to the rear under guard. Until 1948, official references for the date of actions for which Thomas Custer was