There are 4 US Post Offices in Boone County serving a total of 5,441 residents equating to 1,360 residents per post office. It's estimated that approximately 8,684 packages are handled across the 4 county post offices annually. Boone County is a county in the U.S. state of Nebraska. As of the 2010 census, the population was 5,505. Its county seat is Albion. The county was organized in 1871 and named after Daniel Boone. In the Nebraska license plate system, Boone County is represented by the prefix 23 (it had the twenty-third-largest number of vehicles registered in the county when the license plate system was established in 1922)."