| Place Name | Duncanville |
| Place Type | City |
| ZIP Code(s) | 75116 75137 |
| County | Dallas County |
| Area Code(s) | 214,469,972 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 38,590 |
| Population Growth Rate (2010-19) | 5.66% |
| Majority Ethnicity | White 38.41% |
| Metro/Micro Stats Area | Dallas-Fort Worth-Arlington, TX |
| US Congressional District(s) | Texas 30th |
| State House Districts | 111 |
| State Senate Districts | 23 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 38.41% |
| African American | 25.41% |
| Hispanic | 0.36% |
| Asian | 1.31% |
| Native American | 0.04% |
| Hawaiin/Pacific Islander | 34.48% |