| Place Name | Rock River |
| Place Type | Town |
| ZIP Code(s) | 82083 |
| County | Albany County |
| Area Code(s) | 307 |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2022) | 264 |
| Population Growth Rate (2010-19) | -13.88% |
| Majority Ethnicity | White 81.88% |
| Metro/Micro Stats Area | Laramie, WY |
| US Congressional District(s) | Wyoming At-Large |
| State House Districts | 47 |
| State Senate Districts | 11 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 81.88% |
| African American | 0% |
| Hispanic | 0.36% |
| Asian | 2.17% |
| Native American | 3.99% |
| Hawaiin/Pacific Islander | 11.59% |