| Statistic | San Joaquin Marsh | Irvine | California |
| Population | 412 | 272,694 | 39,512,223 |
| Population density (sq mi) | 97 | 4,156 | 256 |
| Median age | 29.9 | 33.8 | 36.0 |
| Male/Female ratio | 0.8:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 54% | 52% |
| Families w/ Kids under 18 | 8% | 52% | 46% |
| Speak English | n/a | 50% | 56% |
| Speak Spanish | n/a | 6% | 29% |
| Race | San Joaquin Marsh | Irvine | California |
| White | 46.23% | 44.93% | 61.26% |
| Black | 3.08% | 1.46% | 5.85% |
| Asian | 42.67% | 43.64% | 13.85% |
| American Indian | 0.00% | 0.16% | 0.74% |
| Native Hawaiian | 0.00% | 0.35% | 0.39% |
| Mixed race | 1.98% | 6.98% | 4.62% |
| Other race | 6.04% | 2.49% | 13.28% |
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