| PEOPLE | St. Augustine | Washington | United States |
| Population | 12,975 | 601,723 | 308,035,306 |
| Pop. Density | 1,376 | 9,856 | 87 |
| Pop. Change | 12.22% | 6.86% | 8.07% |
| Median Age | 42.4 | 33.9 | 37.3 |
| Households | 5,743 | 266,707 | 116,716,292 |
| Household Size | 2.08 | 2.1 | 2.58 |
| Male Population | 46.86% | 47.23% | 49.27% |
| Female Population | 53.14% | 52.77% | 50.96% |
| Married Population | 32.68% | 22.71% | 47.02% |
| Single Population | 67.32% | 77.29% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 3.58% | 5.42% | 6.56% |
| Age 5 to 9 | 3.28% | 4.35% | 6.61% |
| Age 10 to 14 | 3.70% | 4.16% | 6.71% |
| Age 15 to 17 | 2.51% | 2.83% | 4.21% |
| Age 18 to 20 | 6.93% | 3.81% | 2.95% |
| Age 21 to 24 | 12.59% | 10.65% | 7.01% |
| Age 25 to 34 | 10.74% | 20.73% | 13.33% |
| Age 35 to 44 | 9.13% | 13.40% | 13.33% |
| Age 45 to 49 | 13.43% | 12.58% | 14.61% |
| Age 50 to 54 | 13.43% | 12.58% | 14.61% |
| Age 55 to 59 | 15.08% | 10.63% | 11.84% |
| Age 60 to 64 | 15.08% | 10.63% | 11.84% |
| Age 65 to 74 | 8.89% | 6.14% | 7.05% |
| Age 75 to 84 | 6.06% | 3.58% | 4.24% |
| Age 85 and over | 4.08% | 1.71% | 1.78% |
| RACE | | | |
| White | 84.18% | 38.47% | 72.41% |
| Black | 11.61% | 50.71% | 12.61% |
| Asian | 1.25% | 3.50% | 4.75% |
| American Indian | 0.40% | 0.35% | 0.95% |
| Other | 2.56% | 6.98% | 9.28% |
| Hispanic | 29.36% | 4.31% | 16.35% |
| Non-Hispanic | 70.64% | 95.69% | 83.65% |
| FAMILY | | | |
| Married, w/children | 16.87% | 18.76% | 30.42% |
| Married, no children | 51.18% | 33.28% | 42.46% |
| Single, w/children | 14.48% | 21.98% | 14.39% |
| Single, no children | 17.47% | 25.97% | 12.73% |
| Divorced | 14.62% | 9.83% | 10.62% |
| Separated | 4.60% | 6.35% | 4.97% |
| Widowed | 9.33% | 6.02% | 6.14% |
| Now Married | 32.90% | 22.58% | 46.32% |
| Never Married | 38.55% | 55.21% | 31.95% |
