| Name | Trempealeau County |
| State | Wisconsin |
| FIPS Code | 55121 |
| County Seat | Whitehall |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 30,939 |
| Population Growth Rate(2020-2024) | 0.59% |
| Majority Ethnicity | White 85.8% |
| Public School Majority Ethnicity | White 70% |
| Partisan Voting Index | Republican:+10 |
| Unemployment Rate (May 2026) | 5.4% |
| Sales Tax Rate (2025) | 5.5% |
| Area Code(s) | 608 / 535 / 715 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 85.8% |
| African American | 0.49% |
| Hispanic | 12.43% |
| Asian | 0.4% |
| Native American | 0.69% |
| Hawaiin/Pacific Islander | 0.2% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 70.42% |
| African American | 0.49% |
| Hispanic | 25.87% |
| Asian | 0.55% |
| Native American | 0.4% |
| Hawaiin/Pacific Islander | 0.05% |