There are 5 US Post Offices in Boyd County serving a total of 2,194 residents equating to 439 residents per post office. It's estimated that approximately 3,502 packages are handled across the 5 county post offices annually. Boyd County is a county in the State of Nebraska. As of the 2010 census, the population was 2,099. Its county seat is Butte. The county was formed in 1891 and named after Governor James E. Boyd. In the Nebraska license plate system, Boyd County is represented by the prefix 63 (it had the 63rd-largest number of vehicles registered in the county when the license plate system was established in 1922)."