| Place Name | Buffalo |
| Place Type | City |
| ZIP Code(s) | 82834 |
| County | Johnson County |
| Area Code(s) | 307 |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2022) | 4,595 |
| Population Growth Rate (2010-19) | -3.71% |
| Majority Ethnicity | White 91.81% |
| US Congressional District(s) | Wyoming At-Large |
| State House Districts | 40 |
| State Senate Districts | 22 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.81% |
| African American | 1.36% |
| Hispanic | 1.11% |
| Asian | 1.06% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.66% |