| 2,356 | (17%) | |
| 2,165 | (15%) | |
| 1,956 | (14%) | |
| 1,328 | (9%) | |
| 1,196 | (9%) | |
| 863 | (6%) | |
| 726 | (5%) | |
| 690 | (5%) | |
| 658 | (5%) | |
| 652 | (5%) | |
| 584 | (4%) | |
| 500 | (4%) |
Source: U.S. Census Bureau - A.C.S 2007
| 32,119 | (100%) | |
| 27,760 | (86%) | |
| 3,755 | (12%) | |
| 669 | (2%) | |
| 518 | (2%) | |
| 486 | (2%) |
Caldwell Idaho's population is estimated to be approximately 32,119. There are 27,760 White residents which make up 86.40 % of the states' population. The remaining population is made up of 3,755 Others, 669 Native Americans, 518 Asians, and 486 Blacks.