| PEOPLE | Champaign | Half Moon Bay | United States |
| Population | 81,055 | 11,324 | 308,035,306 |
| Pop. Density | 3,613 | 1,763 | 87 |
| Pop. Change | 14.32% | -1.23% | 8.07% |
| Median Age | 25.8 | 43.3 | 37.3 |
| Households | 32,207 | 4,149 | 116,716,292 |
| Household Size | 2.25 | 2.76 | 2.58 |
| Male Population | 50.90% | 48.75% | 49.27% |
| Female Population | 49.10% | 51.25% | 50.96% |
| Married Population | 30.82% | 48.43% | 47.02% |
| Single Population | 69.18% | 51.57% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.41% | 6.33% | 6.56% |
| Age 5 to 9 | 4.67% | 5.89% | 6.61% |
| Age 10 to 14 | 4.40% | 6.49% | 6.71% |
| Age 15 to 17 | 2.83% | 3.66% | 4.21% |
| Age 18 to 20 | 8.77% | 2.00% | 2.95% |
| Age 21 to 24 | 22.46% | 5.03% | 7.01% |
| Age 25 to 34 | 16.03% | 10.35% | 13.33% |
| Age 35 to 44 | 9.82% | 12.50% | 13.33% |
| Age 45 to 49 | 9.81% | 16.68% | 14.61% |
| Age 50 to 54 | 9.81% | 16.68% | 14.61% |
| Age 55 to 59 | 8.21% | 15.50% | 11.84% |
| Age 60 to 64 | 8.21% | 15.50% | 11.84% |
| Age 65 to 74 | 3.94% | 9.71% | 7.05% |
| Age 75 to 84 | 2.65% | 4.34% | 4.24% |
| Age 85 and over | 1.00% | 1.53% | 1.78% |
| RACE | | | |
| White | 67.75% | 75.77% | 72.41% |
| Black | 15.64% | 0.72% | 12.61% |
| Asian | 10.57% | 4.33% | 4.75% |
| American Indian | 0.25% | 0.63% | 0.95% |
| Other | 5.78% | 18.55% | 9.28% |
| Hispanic | 1.15% | 32.39% | 16.35% |
| Non-Hispanic | 98.85% | 67.61% | 83.65% |
| FAMILY | | | |
| Married, w/children | 29.66% | 33.84% | 30.42% |
| Married, no children | 41.85% | 50.25% | 42.46% |
| Single, w/children | 16.78% | 7.12% | 14.39% |
| Single, no children | 11.70% | 8.79% | 12.73% |
| Divorced | 6.65% | 9.23% | 10.62% |
| Separated | 3.05% | 8.01% | 4.97% |
| Widowed | 3.30% | 4.33% | 6.14% |
| Now Married | 30.97% | 48.84% | 46.32% |
| Never Married | 56.02% | 29.59% | 31.95% |
