| Place Name | Winchester |
| Place Type | Census Designated Place |
| ZIP Code(s) | 54947 |
| County | Winnebago County |
| Area Code(s) | 274,920 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 674 |
| Population Growth Rate (2010-19) | -3.28% |
| Majority Ethnicity | White 95.62% |
| Metro/Micro Stats Area | Oshkosh-Neenah, WI |
| US Congressional District(s) | Wisconsin 8th |
| State Assembly Districts | 56 |
| State Senate Districts | 19 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.62% |
| African American | 0% |
| Hispanic | 1.88% |
| Asian | 0.63% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.88% |