| Name | Fergus County |
| State | Montana |
| FIPS Code | 30027 |
| County Seat | Lewistown |
| Timezone | Mountain Standard Time (MST) |
| Population (2022) | 11,507 |
| Population Growth Rate(2000-2022) | -1.21% |
| Majority Ethnicity | White 96.55% |
| Public School Majority Ethnicity | White 89% |
| Partisan Voting Index | Strongly Republican:+24 |
| Unemployment Rate (December 2024) | 2.2% |
| Area Code(s) | 406 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 96.55% |
| African American | 0.49% |
| Hispanic | 1.38% |
| Asian | 1.57% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 89.11% |
| African American | 0.61% |
| Hispanic | 5.08% |
| Asian | 0.67% |
| Native American | 2.08% |
| Hawaiin/Pacific Islander | 0.24% |