| 3,844 | (23%) | |
| 2,277 | (13%) | |
| 1,664 | (10%) | |
| 1,538 | (9%) | |
| 1,327 | (8%) | |
| 1,257 | (7%) | |
| 1,179 | (7%) | |
| 968 | (6%) | |
| 945 | (6%) | |
| 836 | (5%) | |
| 730 | (4%) | |
| 138 | (1%) |
Source: U.S. Census Bureau - A.C.S 2007
| 36,498 | (100%) | |
| 20,645 | (57%) | |
| 8,864 | (24%) | |
| 6,875 | (19%) | |
| 1,011 | (3%) |
Duncanville Texas's population is estimated to be approximately 36,498. There are 20,645 White residents which make up 56.60 % of the states' population. The remaining population is made up of 8,864 Blacks, 6,875 Others, and 1,011 Asians.