Corson County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 3,902. Its county seat is McIntosh. The county was named for Dighton Corson, a native of Maine, who came to the Black Hills in 1876, and in 1877 began practicing law at Deadwood.
corson county is a county in the us state of south dakota as of the 2020 census the population was 3902 its county seat is mcintosh the county was named for dighton corson a native of maine who came to the black hills in 1876 and in 1877 began practicing law at deadwood