Duncanville city, Texas
Official LSAD Designation: Duncanville city • Census GEOID: 4821628
• Dallas County
Duncanville city is an incorporated city in Dallas County, Texas. According to official records from the Census (2025), Duncanville city had an estimated population of 38,915 residents. Official Census Bureau geographic records classify this community under LSAD designation Duncanville city (GEOID 4821628).
Local Government Administration U.S. Census Bureau GMAF
City Of Duncanville
Municipal
Official Title:
Asst City Mgr
Address:
PO BOX 380280, DUNCANVILLE TX 75138-0280
County Of Dallas
County
Official Title:
Director Of Planning Development
Address:
411 ELM STREET, 3RD FLOOR, DALLAS TX 75202
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 38,915 | 2025 |
| Median Household Income | $76,457 | 2020-2024 |
| Median Home Value | $255,500 | 2020-2024 |
| Land Area | 11.20 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).