| Place Name | Duncan |
| Place Type | Village |
| ZIP Code(s) | 68634 |
| County | Platte County |
| Area Code(s) | 402,531 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 347 |
| Population Growth Rate (2010-19) | 11.68% |
| Majority Ethnicity | White 90.87% |
| Metro/Micro Stats Area | Columbus, NE |
| US Congressional District(s) | Nebraska 1st |
| State Legislature Districts | 22 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.87% |
| African American | 0% |
| Hispanic | 0.76% |
| Asian | 0.15% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.22% |