Box Butte County is a county in the U.S. state of Nebraska. As of the 2020 census, the population was 10,842, and was estimated to be 10,494 in 2025. The county seat and largest city is Alliance.

Scotts Bluff County is a county on the western border of the U.S. state of Nebraska. As of the 2020 census, the population was 36,084, and was estimated to be 35,586 in 2025, making it the ninth-most