| Place Name | Seneca |
| Place Type | Census Designated Place |
| ZIP Code(s) | 54626 54631 |
| County | Crawford County |
| Area Code(s) | 608 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 311 |
| Majority Ethnicity | White 99.36% |
| US Congressional District(s) | Wisconsin 3rd |
| State Assembly Districts | 96 |
| State Senate Districts | 32 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.36% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.64% |