| Place Name | Winfield |
| Place Type | Census Designated Place |
| ZIP Code(s) | 17889 |
| County | Union County |
| Area Code(s) | 272,570 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 765 |
| Population Growth Rate (2010-19) | 0.56% |
| Majority Ethnicity | White 95.55% |
| Metro/Micro Stats Area | Lewisburg, PA |
| US Congressional District(s) | Pennsylvania 10th |
| State House Districts | 85 |
| State Senate Districts | 23 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.55% |
| African American | 1.4% |
| Hispanic | 0% |
| Asian | 2.42% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.64% |