| Name | Johnson County |
| State | Wyoming |
| FIPS Code | 56019 |
| County Seat | Buffalo |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2024) | 8,792 |
| Population Growth Rate(2020-2024) | 3.87% |
| Majority Ethnicity | White 93.48% |
| Public School Majority Ethnicity | White 90% |
| Partisan Voting Index | Strongly Republican:+31 |
| Unemployment Rate (May 2026) | 3.9% |
| Sales Tax Rate (2025) | 5% |
| Area Code(s) | 307 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 93.48% |
| African American | 0.02% |
| Hispanic | 4.29% |
| Asian | 0.53% |
| Native American | 1.68% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 89.53% |
| African American | 0.5% |
| Hispanic | 3.27% |
| Asian | 0.25% |
| Native American | 1.84% |
| Hawaiin/Pacific Islander | 0.08% |