| Place Name | Spencer |
| Place Type | Village |
| ZIP Code(s) | 54479 |
| County | Marathon County |
| Area Code(s) | 535,715 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 2,050 |
| Population Growth Rate (2010-19) | -5.56% |
| Majority Ethnicity | White 98.85% |
| Metro/Micro Stats Area | Wausau-Weston, WI |
| US Congressional District(s) | Wisconsin 7th |
| State Assembly Districts | 69 |
| State Senate Districts | 23 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.85% |
| African American | 0% |
| Hispanic | 0.13% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.02% |