| Name | Crook County |
| State | Wyoming |
| FIPS Code | 56011 |
| County Seat | Sundance |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2024) | 7,596 |
| Population Growth Rate(2020-2024) | 5.53% |
| Majority Ethnicity | White 97.14% |
| Public School Majority Ethnicity | White 95% |
| Partisan Voting Index | Strongly Republican:+40 |
| Unemployment Rate (May 2026) | 3.8% |
| Sales Tax Rate (2025) | 5% |
| Area Code(s) | 307 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 97.14% |
| African American | 0% |
| Hispanic | 2.05% |
| Asian | 0.57% |
| Native American | 0.24% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 95.32% |
| African American | 0.08% |
| Hispanic | 1.94% |
| Asian | 0.08% |
| Native American | 1.21% |
| Hawaiin/Pacific Islander | 0% |