| Place Name | Rocky Boy West |
| Place Type | Census Designated Place |
| ZIP Code(s) | 59521 |
| County | Chouteau County Hill County |
| Area Code(s) | 406 |
| Timezone | Mountain Standard Time (MST) |
| Population (2022) | 910 |
| Population Growth Rate (2010-19) | 17.08% |
| Majority Ethnicity | Native American 0% |
| US Congressional District(s) | Montana At-Large |
| State House Districts | 32 |
| State Senate Districts | 16 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 4.78% |
| African American | 0% |
| Hispanic | 93.87% |
| Asian | 0.1% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.25% |