| Place Name | Letha |
| Place Type | Census Designated Place |
| ZIP Code(s) | 83636 |
| County | Gem County |
| Area Code(s) | 208 |
| Timezone | Mountain Standard Time (MST) |
| Population (2022) | 565 |
| Majority Ethnicity | White 97.24% |
| Metro/Micro Stats Area | Boise City, ID |
| US Congressional District(s) | Idaho 1st |
| State House Districts | 8 |
| State Senate Districts | 8 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.24% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 2.76% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |