| Place Name | Lame Deer |
| Place Type | Census Designated Place |
| ZIP Code(s) | 59043 |
| County | Rosebud County |
| Area Code(s) | 406 |
| Timezone | Mountain Standard Time (MST) |
| Population (2022) | 2,050 |
| Population Growth Rate (2010-19) | -7.55% |
| Majority Ethnicity | Native American 0.04% |
| US Congressional District(s) | Montana At-Large |
| State House Districts | 41 |
| State Senate Districts | 21 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 1.69% |
| African American | 0.36% |
| Hispanic | 96.44% |
| Asian | 0% |
| Native American | 0.04% |
| Hawaiin/Pacific Islander | 1.47% |