| 5,811 | (28%) | |
| 3,567 | (17%) | |
| 1,782 | (9%) | |
| 1,724 | (8%) | |
| 1,432 | (7%) | |
| 1,415 | (7%) | |
| 1,125 | (6%) | |
| 1,007 | (5%) | |
| 702 | (3%) | |
| 650 | (3%) | |
| 388 | (2%) | |
| 41 | (0%) |
Source: U.S. Census Bureau - A.C.S 2007
| 42,373 | (100%) | |
| 23,162 | (55%) | |
| 12,668 | (30%) | |
| 5,022 | (12%) | |
| 2,675 | (6%) | |
| 315 | (1%) |
Altadena California's population is estimated to be approximately 42,373. There are 23,162 White residents which make up 54.70 % of the states' population. The remaining population is made up of 12,668 Blacks, 5,022 Others, 2,675 Asians, and 315 Native Americans.