| Name | Campbell County |
| State | Wyoming |
| FIPS Code | 56005 |
| County Seat | Gillette |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2022) | 45,840 |
| Population Growth Rate(2000-2022) | 1.94% |
| Majority Ethnicity | White 97.93% |
| Public School Majority Ethnicity | White 83% |
| Partisan Voting Index | Strongly Republican:+39 |
| Unemployment Rate (May 2025) | 3.7% |
| Area Code(s) | 307 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 97.93% |
| African American | 0.42% |
| Hispanic | 1.32% |
| Asian | 0.08% |
| Native American | 0.12% |
| Hawaiin/Pacific Islander | 0.12% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 83.16% |
| African American | 0.79% |
| Hispanic | 12.12% |
| Asian | 0.8% |
| Native American | 1.63% |
| Hawaiin/Pacific Islander | 0.15% |