| Place Name | Tunnel City |
| Place Type | Census Designated Place |
| ZIP Code(s) | 54660 |
| County | Monroe County |
| Area Code(s) | 608 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 110 |
| Population Growth Rate (2010-19) | -5.66% |
| Majority Ethnicity | White 95.87% |
| US Congressional District(s) | Wisconsin 3rd |
| State Assembly Districts | 70 |
| State Senate Districts | 24 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.87% |
| African American | 2.48% |
| Hispanic | 0% |
| Asian | 1.65% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |