| Name | Grant County |
| State | Wisconsin |
| FIPS Code | 55043 |
| County Seat | Lancaster |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 51,055 |
| Population Growth Rate(2000-2022) | 1.43% |
| Majority Ethnicity | White 97.17% |
| Public School Majority Ethnicity | White 91% |
| Partisan Voting Index | Republican:+3 |
| Unemployment Rate (December 2024) | 2.6% |
| Area Code(s) | 608 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 97.17% |
| African American | 1.78% |
| Hispanic | 0.11% |
| Asian | 0.92% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 90.69% |
| African American | 1.88% |
| Hispanic | 4.25% |
| Asian | 0.66% |
| Native American | 0.04% |
| Hawaiin/Pacific Islander | 0.12% |