| PEOPLE | Port Byron | Galesburg | United States |
| Population | 1,647 | 32,195 | 308,035,306 |
| Pop. Density | 665 | 1,814 | 87 |
| Pop. Change | 20.54% | -7.77% | 8.07% |
| Median Age | 42 | 39.6 | 37.3 |
| Households | 680 | 13,008 | 116,716,292 |
| Household Size | 2.48 | 2.2 | 2.58 |
| Male Population | 50.46% | 50.46% | 49.27% |
| Female Population | 49.54% | 49.54% | 50.96% |
| Married Population | 62.76% | 40.76% | 47.02% |
| Single Population | 37.24% | 59.24% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.62% | 5.48% | 6.56% |
| Age 5 to 9 | 6.62% | 5.69% | 6.61% |
| Age 10 to 14 | 5.59% | 5.15% | 6.71% |
| Age 15 to 17 | 4.31% | 3.39% | 4.21% |
| Age 18 to 20 | 2.19% | 3.73% | 2.95% |
| Age 21 to 24 | 6.19% | 8.66% | 7.01% |
| Age 25 to 34 | 9.53% | 12.73% | 13.33% |
| Age 35 to 44 | 12.33% | 11.30% | 13.33% |
| Age 45 to 49 | 18.58% | 13.28% | 14.61% |
| Age 50 to 54 | 18.58% | 13.28% | 14.61% |
| Age 55 to 59 | 15.91% | 12.51% | 11.84% |
| Age 60 to 64 | 15.91% | 12.51% | 11.84% |
| Age 65 to 74 | 7.83% | 8.21% | 7.05% |
| Age 75 to 84 | 3.46% | 6.47% | 4.24% |
| Age 85 and over | 0.85% | 3.41% | 1.78% |
| RACE | | | |
| White | 98.06% | 81.13% | 72.41% |
| Black | 0.18% | 11.49% | 12.61% |
| Asian | 0.12% | 0.90% | 4.75% |
| American Indian | 0.00% | 0.25% | 0.95% |
| Other | 1.64% | 6.23% | 9.28% |
| Hispanic | 0.98% | 12.86% | 16.35% |
| Non-Hispanic | 99.02% | 87.14% | 83.65% |
| FAMILY | | | |
| Married, w/children | 26.52% | 21.03% | 30.42% |
| Married, no children | 53.44% | 45.98% | 42.46% |
| Single, w/children | 13.36% | 20.25% | 14.39% |
| Single, no children | 6.68% | 12.74% | 12.73% |
| Divorced | 9.70% | 15.19% | 10.62% |
| Separated | 0.97% | 3.16% | 4.97% |
| Widowed | 5.75% | 9.95% | 6.14% |
| Now Married | 61.79% | 40.03% | 46.32% |
| Never Married | 21.79% | 31.66% | 31.95% |
