| PEOPLE | West Peoria | East Peoria | United States |
| Population | 4,458 | 23,402 | 308,035,306 |
| Pop. Density | 3,516 | 1,173 | 87 |
| Pop. Change | -7.76% | 2.11% | 8.07% |
| Median Age | 36.9 | 41 | 37.3 |
| Households | 1,945 | 9,966 | 116,716,292 |
| Household Size | 2.34 | 2.33 | 2.58 |
| Male Population | 48.32% | 48.55% | 49.27% |
| Female Population | 51.68% | 51.45% | 50.96% |
| Married Population | 42.18% | 54.12% | 47.02% |
| Single Population | 57.82% | 45.88% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.27% | 5.92% | 6.56% |
| Age 5 to 9 | 5.85% | 6.04% | 6.61% |
| Age 10 to 14 | 5.38% | 5.81% | 6.71% |
| Age 15 to 17 | 2.98% | 3.69% | 4.21% |
| Age 18 to 20 | 2.38% | 2.46% | 2.95% |
| Age 21 to 24 | 6.62% | 5.36% | 7.01% |
| Age 25 to 34 | 17.14% | 13.47% | 13.33% |
| Age 35 to 44 | 11.60% | 12.05% | 13.33% |
| Age 45 to 49 | 13.03% | 14.43% | 14.61% |
| Age 50 to 54 | 13.03% | 14.43% | 14.61% |
| Age 55 to 59 | 12.99% | 13.77% | 11.84% |
| Age 60 to 64 | 12.99% | 13.77% | 11.84% |
| Age 65 to 74 | 7.58% | 8.29% | 7.05% |
| Age 75 to 84 | 4.91% | 6.01% | 4.24% |
| Age 85 and over | 2.27% | 2.70% | 1.78% |
| RACE | | | |
| White | 79.45% | 95.44% | 72.41% |
| Black | 14.40% | 1.01% | 12.61% |
| Asian | 1.08% | 1.02% | 4.75% |
| American Indian | 0.54% | 0.30% | 0.95% |
| Other | 4.53% | 2.23% | 9.28% |
| Hispanic | 3.74% | 1.93% | 16.35% |
| Non-Hispanic | 96.26% | 98.07% | 83.65% |
| FAMILY | | | |
| Married, w/children | 23.57% | 25.14% | 30.42% |
| Married, no children | 44.82% | 51.38% | 42.46% |
| Single, w/children | 16.96% | 13.81% | 14.39% |
| Single, no children | 14.64% | 9.66% | 12.73% |
| Divorced | 14.83% | 12.52% | 10.62% |
| Separated | 1.85% | 1.95% | 4.97% |
| Widowed | 8.00% | 7.81% | 6.14% |
| Now Married | 42.67% | 55.21% | 46.32% |
| Never Married | 32.65% | 22.50% | 31.95% |
