| PEOPLE | Brookfield | Cary | United States |
| Population | 37,920 | 135,234 | 308,035,306 |
| Pop. Density | 1,400 | 2,488 | 87 |
| Pop. Change | -1.78% | 39.98% | 8.07% |
| Median Age | 46.6 | 36.6 | 37.3 |
| Households | 14,576 | 51,791 | 116,716,292 |
| Household Size | 2.53 | 2.59 | 2.58 |
| Male Population | 48.50% | 48.67% | 49.27% |
| Female Population | 51.50% | 51.33% | 50.96% |
| Married Population | 63.83% | 60.21% | 47.02% |
| Single Population | 36.17% | 39.79% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.50% | 6.98% | 6.56% |
| Age 5 to 9 | 6.18% | 8.14% | 6.61% |
| Age 10 to 14 | 7.63% | 7.91% | 6.71% |
| Age 15 to 17 | 5.20% | 4.69% | 4.21% |
| Age 18 to 20 | 1.95% | 1.72% | 2.95% |
| Age 21 to 24 | 3.32% | 4.62% | 7.01% |
| Age 25 to 34 | 7.16% | 13.37% | 13.33% |
| Age 35 to 44 | 11.21% | 17.12% | 13.33% |
| Age 45 to 49 | 18.20% | 16.65% | 14.61% |
| Age 50 to 54 | 18.20% | 16.65% | 14.61% |
| Age 55 to 59 | 14.78% | 10.14% | 11.84% |
| Age 60 to 64 | 14.78% | 10.14% | 11.84% |
| Age 65 to 74 | 9.27% | 5.11% | 7.05% |
| Age 75 to 84 | 7.51% | 2.55% | 4.24% |
| Age 85 and over | 3.10% | 0.98% | 1.78% |
| RACE | | | |
| White | 89.96% | 73.14% | 72.41% |
| Black | 1.21% | 7.98% | 12.61% |
| Asian | 6.69% | 13.06% | 4.75% |
| American Indian | 0.17% | 0.41% | 0.95% |
| Other | 1.96% | 5.41% | 9.28% |
| Hispanic | 0.81% | 11.11% | 16.35% |
| Non-Hispanic | 99.19% | 88.89% | 83.65% |
| FAMILY | | | |
| Married, w/children | 35.42% | 45.42% | 30.42% |
| Married, no children | 53.96% | 39.11% | 42.46% |
| Single, w/children | 4.87% | 9.77% | 14.39% |
| Single, no children | 5.75% | 5.70% | 12.73% |
| Divorced | 5.88% | 7.62% | 10.62% |
| Separated | 1.71% | 3.23% | 4.97% |
| Widowed | 6.55% | 2.72% | 6.14% |
| Now Married | 64.21% | 59.91% | 46.32% |
| Never Married | 21.66% | 26.51% | 31.95% |