| Place Name | Lancaster |
| Place Type | City |
| ZIP Code(s) | 53813 |
| County | Grant County |
| Area Code(s) | 608 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 3,859 |
| Population Growth Rate (2010-19) | 1.01% |
| Majority Ethnicity | White 96.89% |
| Metro/Micro Stats Area | Platteville, WI |
| US Congressional District(s) | Wisconsin 3rd |
| State Assembly Districts | 49 |
| State Senate Districts | 17 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.89% |
| African American | 0.69% |
| Hispanic | 0.03% |
| Asian | 0.84% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.55% |