| Place Name | Lanark |
| Place Type | Town |
| ZIP Code(s) | 54406 54909 54981 |
| County | Portage County |
| Area Code(s) | 535,715 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 1,785 |
| Majority Ethnicity | White 97.62% |
| Metro/Micro Stats Area | Stevens Point, WI |
| US Congressional District(s) | Wisconsin 3rd |
| State Assembly Districts | 71 |
| State Senate Districts | 24 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.62% |
| African American | 0.33% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.05% |