| PEOPLE | Oak Lawn | Hickory Hills | United States |
| Population | 56,690 | 14,049 | 308,035,306 |
| Pop. Density | 6,596 | 4,969 | 87 |
| Pop. Change | 1.70% | 0.93% | 8.07% |
| Median Age | 41.2 | 38.8 | 37.3 |
| Households | 22,361 | 5,225 | 116,716,292 |
| Household Size | 2.52 | 2.66 | 2.58 |
| Male Population | 47.63% | 49.78% | 49.27% |
| Female Population | 52.37% | 50.22% | 50.96% |
| Married Population | 47.79% | 49.53% | 47.02% |
| Single Population | 52.21% | 50.47% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.58% | 5.92% | 6.56% |
| Age 5 to 9 | 5.85% | 5.87% | 6.61% |
| Age 10 to 14 | 6.27% | 6.24% | 6.71% |
| Age 15 to 17 | 4.12% | 4.24% | 4.21% |
| Age 18 to 20 | 2.31% | 2.90% | 2.95% |
| Age 21 to 24 | 6.18% | 6.89% | 7.01% |
| Age 25 to 34 | 12.52% | 13.35% | 13.33% |
| Age 35 to 44 | 11.85% | 12.78% | 13.33% |
| Age 45 to 49 | 15.00% | 15.21% | 14.61% |
| Age 50 to 54 | 15.00% | 15.21% | 14.61% |
| Age 55 to 59 | 12.34% | 12.90% | 11.84% |
| Age 60 to 64 | 12.34% | 12.90% | 11.84% |
| Age 65 to 74 | 8.03% | 7.96% | 7.05% |
| Age 75 to 84 | 6.84% | 4.32% | 4.24% |
| Age 85 and over | 3.11% | 1.41% | 1.78% |
| RACE | | | |
| White | 85.16% | 88.01% | 72.41% |
| Black | 5.20% | 3.36% | 12.61% |
| Asian | 2.18% | 2.60% | 4.75% |
| American Indian | 0.25% | 0.11% | 0.95% |
| Other | 7.22% | 5.92% | 9.28% |
| Hispanic | 8.48% | 0.92% | 16.35% |
| Non-Hispanic | 91.52% | 99.08% | 83.65% |
| FAMILY | | | |
| Married, w/children | 30.96% | 32.33% | 30.42% |
| Married, no children | 43.59% | 44.61% | 42.46% |
| Single, w/children | 9.30% | 9.63% | 14.39% |
| Single, no children | 16.15% | 13.42% | 12.73% |
| Divorced | 8.52% | 8.97% | 10.62% |
| Separated | 2.85% | 3.14% | 4.97% |
| Widowed | 10.85% | 6.58% | 6.14% |
| Now Married | 48.72% | 48.97% | 46.32% |
| Never Married | 29.06% | 32.35% | 31.95% |
