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Campbell County Wyoming ☎ +1 307-682-7283 Last Updated: 03/13/2026 |
| Campbell County is a county in the state of Wyoming, United States. According to the 2020 U.S. Census, the county had a population of 47,026. The county seat is Gillette. The lowest point in the county is at 3,400 feet above sea level at the Little Powder River in the north of the county. The highest point is 6,060 feet and is located at the summit of North Pumpkin Butte on the western border. | |
| Campbell County, in northeastern Wyoming, is part of the Powder River Basin, stretching from the summit of the Bighorn Mountains to the west of the Black Hills. An ideal habitat for bison and other large mammals, the region has for generations been a valuable hunting ground for Native Americans, particularly the Lakota Sioux. | |