Boone County, Nebraska
Boone County is a county in the U.S. state of Nebraska. As of the 2020 census, the population was 5,386, and was estimated to be 5,355 in 2025. The county seat and the largest city is Albion.
In the Nebraska license plate system, Boone County was represented by the prefix "23" (as it had the 23rd-largest number of vehicles registered in the state when the license plate system was established in 1922).