| Place Name | Winfield Township |
| Place Type | Township |
| ZIP Code(s) | 46307 46341 |
| County | Lake County |
| Area Code(s) | 219 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 12,605 |
| Majority Ethnicity | White 83.18% |
| Metro/Micro Stats Area | Chicago-Naperville-Elgin, IL-IN-WI |
| US Congressional District(s) | Indiana 1st |
| State House Districts | 19 |
| State Senate Districts | 6 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 83.18% |
| African American | 4.18% |
| Hispanic | 0% |
| Asian | 1.41% |
| Native American | 0.14% |
| Hawaiin/Pacific Islander | 11.1% |