| PEOPLE | Westchester | Palatine | United States |
| Population | 16,718 | 68,557 | 308,035,306 |
| Pop. Density | 4,535 | 5,035 | 87 |
| Pop. Change | -0.09% | 1.97% | 8.07% |
| Median Age | 46.1 | 36.8 | 37.3 |
| Households | 6,865 | 26,876 | 116,716,292 |
| Household Size | 2.4 | 2.56 | 2.58 |
| Male Population | 46.86% | 49.42% | 49.27% |
| Female Population | 53.14% | 50.58% | 50.96% |
| Married Population | 54.12% | 50.57% | 47.02% |
| Single Population | 45.88% | 49.43% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.04% | 6.64% | 6.56% |
| Age 5 to 9 | 5.52% | 6.52% | 6.61% |
| Age 10 to 14 | 5.04% | 6.63% | 6.71% |
| Age 15 to 17 | 3.09% | 4.12% | 4.21% |
| Age 18 to 20 | 1.51% | 1.98% | 2.95% |
| Age 21 to 24 | 3.63% | 5.65% | 7.01% |
| Age 25 to 34 | 10.33% | 15.85% | 13.33% |
| Age 35 to 44 | 13.36% | 14.86% | 13.33% |
| Age 45 to 49 | 14.88% | 15.76% | 14.61% |
| Age 50 to 54 | 14.88% | 15.76% | 14.61% |
| Age 55 to 59 | 14.51% | 11.46% | 11.84% |
| Age 60 to 64 | 14.51% | 11.46% | 11.84% |
| Age 65 to 74 | 9.01% | 5.90% | 7.05% |
| Age 75 to 84 | 8.79% | 3.37% | 4.24% |
| Age 85 and over | 4.29% | 1.26% | 1.78% |
| RACE | | | |
| White | 74.37% | 76.92% | 72.41% |
| Black | 14.29% | 2.73% | 12.61% |
| Asian | 3.97% | 10.32% | 4.75% |
| American Indian | 0.26% | 0.28% | 0.95% |
| Other | 7.10% | 9.75% | 9.28% |
| Hispanic | 1.20% | 0.00% | 16.35% |
| Non-Hispanic | 98.80% | 100.00% | 83.65% |
| FAMILY | | | |
| Married, w/children | 28.92% | 38.15% | 30.42% |
| Married, no children | 49.91% | 42.30% | 42.46% |
| Single, w/children | 6.77% | 9.63% | 14.39% |
| Single, no children | 14.40% | 9.92% | 12.73% |
| Divorced | 8.44% | 9.30% | 10.62% |
| Separated | 2.39% | 3.75% | 4.97% |
| Widowed | 10.91% | 4.54% | 6.14% |
| Now Married | 54.02% | 51.21% | 46.32% |
| Never Married | 24.24% | 31.20% | 31.95% |