| PEOPLE | Grand Rapids | Champaign | United States |
| Population | 188,040 | 81,055 | 308,035,306 |
| Pop. Density | 4,236 | 3,613 | 87 |
| Pop. Change | -4.96% | 14.32% | 8.07% |
| Median Age | 31 | 25.8 | 37.3 |
| Households | 72,126 | 32,207 | 116,716,292 |
| Household Size | 2.5 | 2.25 | 2.58 |
| Male Population | 48.70% | 50.90% | 49.27% |
| Female Population | 51.30% | 49.10% | 50.96% |
| Married Population | 36.43% | 30.82% | 47.02% |
| Single Population | 63.57% | 69.18% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.02% | 5.41% | 6.56% |
| Age 5 to 9 | 6.87% | 4.67% | 6.61% |
| Age 10 to 14 | 6.18% | 4.40% | 6.71% |
| Age 15 to 17 | 3.65% | 2.83% | 4.21% |
| Age 18 to 20 | 3.73% | 8.77% | 2.95% |
| Age 21 to 24 | 10.67% | 22.46% | 7.01% |
| Age 25 to 34 | 17.06% | 16.03% | 13.33% |
| Age 35 to 44 | 11.59% | 9.82% | 13.33% |
| Age 45 to 49 | 11.78% | 9.81% | 14.61% |
| Age 50 to 54 | 11.78% | 9.81% | 14.61% |
| Age 55 to 59 | 9.37% | 8.21% | 11.84% |
| Age 60 to 64 | 9.37% | 8.21% | 11.84% |
| Age 65 to 74 | 4.81% | 3.94% | 7.05% |
| Age 75 to 84 | 3.88% | 2.65% | 4.24% |
| Age 85 and over | 2.38% | 1.00% | 1.78% |
| RACE | | | |
| White | 64.57% | 67.75% | 72.41% |
| Black | 20.87% | 15.64% | 12.61% |
| Asian | 1.86% | 10.57% | 4.75% |
| American Indian | 0.74% | 0.25% | 0.95% |
| Other | 11.96% | 5.78% | 9.28% |
| Hispanic | 0.83% | 1.15% | 16.35% |
| Non-Hispanic | 99.17% | 98.85% | 83.65% |
| FAMILY | | | |
| Married, w/children | 27.07% | 29.66% | 30.42% |
| Married, no children | 35.29% | 41.85% | 42.46% |
| Single, w/children | 22.20% | 16.78% | 14.39% |
| Single, no children | 15.44% | 11.70% | 12.73% |
| Divorced | 11.48% | 6.65% | 10.62% |
| Separated | 5.51% | 3.05% | 4.97% |
| Widowed | 6.36% | 3.30% | 6.14% |
| Now Married | 36.61% | 30.97% | 46.32% |
| Never Married | 40.03% | 56.02% | 31.95% |
