| PEOPLE | Joliet | Pasadena | United States |
| Population | 147,433 | 137,122 | 308,035,306 |
| Pop. Density | 2,374 | 5,970 | 87 |
| Pop. Change | 34.99% | 3.90% | 8.07% |
| Median Age | 31.7 | 37.2 | 37.3 |
| Households | 48,019 | 55,270 | 116,716,292 |
| Household Size | 2.98 | 2.41 | 2.58 |
| Male Population | 49.44% | 48.76% | 49.27% |
| Female Population | 50.56% | 51.24% | 50.96% |
| Married Population | 44.68% | 37.21% | 47.02% |
| Single Population | 55.32% | 62.79% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.87% | 6.03% | 6.56% |
| Age 5 to 9 | 8.89% | 5.15% | 6.61% |
| Age 10 to 14 | 8.26% | 4.98% | 6.71% |
| Age 15 to 17 | 4.82% | 3.16% | 4.21% |
| Age 18 to 20 | 2.88% | 2.44% | 2.95% |
| Age 21 to 24 | 6.22% | 6.76% | 7.01% |
| Age 25 to 34 | 15.48% | 18.08% | 13.33% |
| Age 35 to 44 | 16.11% | 15.00% | 13.33% |
| Age 45 to 49 | 12.19% | 13.72% | 14.61% |
| Age 50 to 54 | 12.19% | 13.72% | 14.61% |
| Age 55 to 59 | 7.93% | 11.13% | 11.84% |
| Age 60 to 64 | 7.93% | 11.13% | 11.84% |
| Age 65 to 74 | 4.21% | 6.85% | 7.05% |
| Age 75 to 84 | 2.75% | 4.35% | 4.24% |
| Age 85 and over | 1.40% | 2.34% | 1.78% |
| RACE | | | |
| White | 67.48% | 55.83% | 72.41% |
| Black | 15.98% | 10.68% | 12.61% |
| Asian | 1.93% | 14.29% | 4.75% |
| American Indian | 0.32% | 0.60% | 0.95% |
| Other | 14.29% | 18.60% | 9.28% |
| Hispanic | 0.36% | 20.74% | 16.35% |
| Non-Hispanic | 99.64% | 79.26% | 83.65% |
| FAMILY | | | |
| Married, w/children | 42.07% | 29.91% | 30.42% |
| Married, no children | 30.95% | 42.26% | 42.46% |
| Single, w/children | 15.46% | 11.30% | 14.39% |
| Single, no children | 11.52% | 16.52% | 12.73% |
| Divorced | 9.06% | 9.31% | 10.62% |
| Separated | 5.82% | 7.51% | 4.97% |
| Widowed | 6.38% | 5.86% | 6.14% |
| Now Married | 45.15% | 36.91% | 46.32% |
| Never Married | 33.59% | 40.42% | 31.95% |