| Place Name | Heart Butte |
| Place Type | Census Designated Place |
| ZIP Code(s) | 59448 |
| County | Pondera County |
| Area Code(s) | 406 |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2022) | 526 |
| Population Growth Rate (2010-19) | 6.70% |
| Majority Ethnicity | Native American 0% |
| US Congressional District(s) | Montana At-Large |
| State House Districts | 15 |
| State Senate Districts | 8 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 1.67% |
| African American | 0.83% |
| Hispanic | 96.25% |
| Asian | 0.42% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.83% |