Gregory County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 3,994. Its county seat is Burke. The county was created in 1862 and organized in 1898. It was na
Keya Paha County is a county in the U.S. state of Nebraska. As of the 2020 census, the population was 769, and was estimated to be 792 in 2025. The county seat and the largest village is Springview.