| Name | Lake County |
| State | Montana |
| FIPS Code | 30047 |
| Timezone | Mountain Standard Time (MST) |
| Population (2020) | 31,134 |
| Population Growth Rate(2000-2020) | 8.31% |
| Majority Ethnicity | White 69.39% |
| Public School Majority Ethnicity | Native American 47% |
| Partisan Voting Index | Republican:+7 |
| Unemployment Rate | 2.8% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 69.39% |
| African American | 0.28% |
| Hispanic | 4.56% |
| Asian | 0.38% |
| Native American | 25.16% |
| Hawaiin/Pacific Islander | 0.23% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 43.83% |
| African American | 0.88% |
| Hispanic | 3.22% |
| Asian | 0.42% |
| Native American | 47.41% |
| Hawaiin/Pacific Islander | 0.49% |