McIntosh County is a county in the U.S. state of North Dakota. As of the 2020 census, the population was 2,530. Its county seat is Ashley. The county is notable for being the county with the highest percentage of German-Americans in the United States, with over 76% of the county's residents being of German descent as of 2010.

Campbell County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 1,377, making it the fourth-least populous county in South Dakota. Its county seat is Mound City. The county was created in 1873 and organized in 1884. It was named for Norman B. Campbell, a Dakota Territory legislator in 1873 and son of General Charles T. Campbell.