| Statistic | Rainier Beach | Seattle | Washington |
| Population | 16,557 | 765,050 | 7,794,858 |
| Population density (sq mi) | 7,328 | 9,126 | 117 |
| Median age | 41.9 | 35.2 | 37.6 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 44% | 56% |
| Families w/ Kids under 18 | 44% | 40% | 44% |
| Speak English | n/a | 78% | 81% |
| Speak Spanish | n/a | 4% | 8% |

| Race | Rainier Beach | Seattle | Washington |
| White | 26.70% | 65.81% | 77.34% |
| Black | 27.07% | 7.06% | 3.63% |
| Asian | 29.36% | 16.31% | 7.80% |
| American Indian | 1.88% | 0.54% | 1.33% |
| Native Hawaiian | 0.40% | 0.26% | 0.63% |
| Mixed race | 8.71% | 7.64% | 5.34% |
| Other race | 5.87% | 2.38% | 3.92% |