| Place Name | Winfield |
| Place Type | Town |
| ZIP Code(s) | 46307 |
| County | Lake County |
| Area Code(s) | 219 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 4,464 |
| Population Growth Rate (2010-19) | 63.84% |
| Majority Ethnicity | White 82.22% |
| 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 | 82.22% |
| African American | 6.5% |
| Hispanic | 0% |
| Asian | 2.35% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.93% |