| PEOPLE | Penfield | Grandville | United States |
| Population | 36,242 | 15,378 | 308,035,306 |
| Pop. Density | 974 | 2,114 | 87 |
| Pop. Change | 4.83% | -5.78% | 8.07% |
| Median Age | 44.7 | 36.3 | 37.3 |
| Households | 14,562 | 5,982 | 116,716,292 |
| Household Size | 2.45 | 2.54 | 2.58 |
| Male Population | 48.18% | 48.34% | 49.27% |
| Female Population | 51.82% | 51.66% | 50.96% |
| Married Population | 56.76% | 54.05% | 47.02% |
| Single Population | 43.24% | 45.95% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.15% | 7.00% | 6.56% |
| Age 5 to 9 | 6.16% | 6.46% | 6.61% |
| Age 10 to 14 | 7.15% | 6.67% | 6.71% |
| Age 15 to 17 | 4.76% | 4.66% | 4.21% |
| Age 18 to 20 | 1.84% | 2.48% | 2.95% |
| Age 21 to 24 | 3.96% | 7.21% | 7.01% |
| Age 25 to 34 | 8.37% | 14.16% | 13.33% |
| Age 35 to 44 | 13.03% | 11.17% | 13.33% |
| Age 45 to 49 | 17.45% | 14.28% | 14.61% |
| Age 50 to 54 | 17.45% | 14.28% | 14.61% |
| Age 55 to 59 | 14.63% | 11.30% | 11.84% |
| Age 60 to 64 | 14.63% | 11.30% | 11.84% |
| Age 65 to 74 | 8.61% | 7.04% | 7.05% |
| Age 75 to 84 | 5.61% | 5.38% | 4.24% |
| Age 85 and over | 3.28% | 2.20% | 1.78% |
| RACE | | | |
| White | 92.64% | 92.02% | 72.41% |
| Black | 2.15% | 2.16% | 12.61% |
| Asian | 3.13% | 1.45% | 4.75% |
| American Indian | 0.15% | 0.21% | 0.95% |
| Other | 1.94% | 4.16% | 9.28% |
| Hispanic | 0.68% | 1.72% | 16.35% |
| Non-Hispanic | 99.32% | 98.28% | 83.65% |
| FAMILY | | | |
| Married, w/children | 35.88% | 31.51% | 30.42% |
| Married, no children | 48.34% | 46.88% | 42.46% |
| Single, w/children | 8.26% | 13.17% | 14.39% |
| Single, no children | 7.52% | 8.44% | 12.73% |
| Divorced | 8.75% | 8.15% | 10.62% |
| Separated | 2.40% | 1.61% | 4.97% |
| Widowed | 5.57% | 5.56% | 6.14% |
| Now Married | 57.74% | 55.11% | 46.32% |
| Never Married | 25.54% | 29.57% | 31.95% |
