| Place Name | Winfield Township |
| Place Type | Township |
| ZIP Code(s) | 07036 |
| County | Union County |
| Area Code(s) | 908 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 1,544 |
| Majority Ethnicity | White 83.56% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 7th |
| State Assembly Districts | 22 |
| State Senate Districts | 22 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 83.56% |
| African American | 0.89% |
| Hispanic | 0% |
| Asian | 0.42% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 15.13% |