| Place Name | Sweet Grass |
| Place Type | Census Designated Place |
| ZIP Code(s) | 59484 |
| County | Toole County |
| Area Code(s) | 406 |
| Timezone | Mountain Standard Time (MST) |
| Population (2022) | 75 |
| Population Growth Rate (2010-19) | 12.07% |
| Majority Ethnicity | White 91.67% |
| US Congressional District(s) | Montana At-Large |
| State House Districts | 18 |
| State Senate Districts | 9 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.67% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.33% |