| PEOPLE | Charleston | Olympia Fields | United States |
| Population | 120,083 | 4,988 | 308,035,306 |
| Pop. Density | 1,102 | 1,697 | 87 |
| Pop. Change | 16.16% | 2.79% | 8.07% |
| Median Age | 32.7 | 50.5 | 37.3 |
| Households | 52,341 | 1,951 | 116,716,292 |
| Household Size | 2.23 | 2.55 | 2.58 |
| Male Population | 47.25% | 46.33% | 49.27% |
| Female Population | 52.75% | 53.67% | 50.96% |
| Married Population | 35.64% | 56.56% | 47.02% |
| Single Population | 64.36% | 43.44% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.28% | 3.43% | 6.56% |
| Age 5 to 9 | 5.13% | 4.77% | 6.61% |
| Age 10 to 14 | 4.18% | 6.62% | 6.71% |
| Age 15 to 17 | 2.44% | 4.25% | 4.21% |
| Age 18 to 20 | 4.50% | 2.29% | 2.95% |
| Age 21 to 24 | 12.80% | 4.41% | 7.01% |
| Age 25 to 34 | 18.11% | 6.46% | 13.33% |
| Age 35 to 44 | 11.61% | 9.80% | 13.33% |
| Age 45 to 49 | 11.69% | 14.80% | 14.61% |
| Age 50 to 54 | 11.69% | 14.80% | 14.61% |
| Age 55 to 59 | 11.03% | 17.60% | 11.84% |
| Age 60 to 64 | 11.03% | 17.60% | 11.84% |
| Age 65 to 74 | 6.40% | 12.17% | 7.05% |
| Age 75 to 84 | 3.97% | 8.38% | 4.24% |
| Age 85 and over | 1.87% | 5.03% | 1.78% |
| RACE | | | |
| White | 70.17% | 25.28% | 72.41% |
| Black | 25.39% | 69.53% | 12.61% |
| Asian | 1.64% | 2.35% | 4.75% |
| American Indian | 0.23% | 0.14% | 0.95% |
| Other | 2.57% | 2.71% | 9.28% |
| Hispanic | 5.96% | 1.02% | 16.35% |
| Non-Hispanic | 94.04% | 98.98% | 83.65% |
| FAMILY | | | |
| Married, w/children | 24.66% | 22.93% | 30.42% |
| Married, no children | 43.33% | 56.99% | 42.46% |
| Single, w/children | 16.25% | 7.28% | 14.39% |
| Single, no children | 15.77% | 12.81% | 12.73% |
| Divorced | 10.35% | 6.15% | 10.62% |
| Separated | 4.72% | 3.26% | 4.97% |
| Widowed | 7.39% | 6.44% | 6.14% |
| Now Married | 36.09% | 56.47% | 46.32% |
| Never Married | 41.44% | 27.68% | 31.95% |
