| 4,644 | (19%) | |
| 3,402 | (14%) | |
| 3,130 | (13%) | |
| 3,067 | (12%) | |
| 2,718 | (11%) | |
| 1,952 | (8%) | |
| 1,583 | (6%) | |
| 974 | (4%) | |
| 949 | (4%) | |
| 931 | (4%) | |
| 880 | (4%) | |
| 54 | (0%) |
Source: U.S. Census Bureau - A.C.S 2007
| 49,046 | (100%) | |
| 40,973 | (84%) | |
| 5,070 | (10%) | |
| 2,939 | (6%) | |
| 1,575 | (3%) | |
| 150 | (0%) |
Rancho Santa Margarita California's population is estimated to be approximately 49,046. There are 40,973 White residents which make up 83.50 % of the states' population. The remaining population is made up of 5,070 Asians, 2,939 Others, 1,575 Blacks, and 150 Native Americans.
