| PEOPLE | Cambridge City | Arlington Heights | United States |
| Population | 1,870 | 75,101 | 308,035,306 |
| Pop. Density | 1,847 | 4,522 | 87 |
| Pop. Change | -11.22% | -4.21% | 8.07% |
| Median Age | 39.9 | 42.6 | 37.3 |
| Households | 785 | 30,919 | 116,716,292 |
| Household Size | 2.38 | 2.44 | 2.58 |
| Male Population | 48.82% | 47.96% | 49.27% |
| Female Population | 51.18% | 52.04% | 50.96% |
| Married Population | 42.31% | 55.53% | 47.02% |
| Single Population | 57.69% | 44.47% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.35% | 5.52% | 6.56% |
| Age 5 to 9 | 5.83% | 6.26% | 6.61% |
| Age 10 to 14 | 7.81% | 6.31% | 6.71% |
| Age 15 to 17 | 5.51% | 3.98% | 4.21% |
| Age 18 to 20 | 3.32% | 1.80% | 2.95% |
| Age 21 to 24 | 4.44% | 4.53% | 7.01% |
| Age 25 to 34 | 10.70% | 11.33% | 13.33% |
| Age 35 to 44 | 14.06% | 13.64% | 13.33% |
| Age 45 to 49 | 13.80% | 16.36% | 14.61% |
| Age 50 to 54 | 13.80% | 16.36% | 14.61% |
| Age 55 to 59 | 12.19% | 13.06% | 11.84% |
| Age 60 to 64 | 12.19% | 13.06% | 11.84% |
| Age 65 to 74 | 8.77% | 8.04% | 7.05% |
| Age 75 to 84 | 5.78% | 5.94% | 4.24% |
| Age 85 and over | 2.46% | 3.23% | 1.78% |
| RACE | | | |
| White | 98.50% | 88.24% | 72.41% |
| Black | 0.21% | 1.31% | 12.61% |
| Asian | 0.27% | 7.12% | 4.75% |
| American Indian | 0.48% | 0.13% | 0.95% |
| Other | 0.53% | 3.21% | 9.28% |
| Hispanic | 2.30% | 4.89% | 16.35% |
| Non-Hispanic | 97.70% | 95.11% | 83.65% |
| FAMILY | | | |
| Married, w/children | 25.29% | 36.87% | 30.42% |
| Married, no children | 43.58% | 48.33% | 42.46% |
| Single, w/children | 19.46% | 5.99% | 14.39% |
| Single, no children | 11.67% | 8.80% | 12.73% |
| Divorced | 19.14% | 8.39% | 10.62% |
| Separated | 3.15% | 2.64% | 4.97% |
| Widowed | 11.47% | 7.08% | 6.14% |
| Now Married | 42.57% | 55.85% | 46.32% |
| Never Married | 23.66% | 26.05% | 31.95% |
