| Place Name | Westfield (Marquette County) |
| Place Type | Town |
| ZIP Code(s) | 53952 53964 |
| County | Marquette County |
| Area Code(s) | 608 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 780 |
| Majority Ethnicity | White 96.27% |
| US Congressional District(s) | Wisconsin 6th |
| State Assembly Districts | 41 |
| State Senate Districts | 14 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.27% |
| African American | 0% |
| Hispanic | 0.26% |
| Asian | 1.93% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.54% |