| PEOPLE | Sheffield | Lancaster | United States |
| Population | 3,257 | 8,055 | 308,035,306 |
| Pop. Density | 69 | 293 | 87 |
| Pop. Change | -2.37% | 8.03% | 8.07% |
| Median Age | 47.7 | 38.5 | 37.3 |
| Households | 1,424 | 2,409 | 116,716,292 |
| Household Size | 2.28 | 2.65 | 2.58 |
| Male Population | 49.68% | 56.33% | 49.27% |
| Female Population | 50.32% | 43.67% | 50.96% |
| Married Population | 50.38% | 41.46% | 47.02% |
| Single Population | 49.62% | 58.54% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 3.65% | 4.30% | 6.56% |
| Age 5 to 9 | 4.73% | 5.10% | 6.61% |
| Age 10 to 14 | 6.29% | 6.46% | 6.71% |
| Age 15 to 17 | 4.18% | 4.94% | 4.21% |
| Age 18 to 20 | 2.18% | 2.78% | 2.95% |
| Age 21 to 24 | 3.93% | 7.93% | 7.01% |
| Age 25 to 34 | 8.26% | 13.84% | 13.33% |
| Age 35 to 44 | 11.45% | 13.78% | 13.33% |
| Age 45 to 49 | 19.13% | 17.48% | 14.61% |
| Age 50 to 54 | 19.13% | 17.48% | 14.61% |
| Age 55 to 59 | 16.83% | 11.66% | 11.84% |
| Age 60 to 64 | 16.83% | 11.66% | 11.84% |
| Age 65 to 74 | 10.53% | 6.41% | 7.05% |
| Age 75 to 84 | 6.29% | 3.76% | 4.24% |
| Age 85 and over | 2.55% | 1.56% | 1.78% |
| RACE | | | |
| White | 95.82% | 86.39% | 72.41% |
| Black | 1.11% | 7.75% | 12.61% |
| Asian | 0.34% | 1.74% | 4.75% |
| American Indian | 0.21% | 0.09% | 0.95% |
| Other | 2.52% | 4.03% | 9.28% |
| Hispanic | 1.54% | 4.17% | 16.35% |
| Non-Hispanic | 98.46% | 95.83% | 83.65% |
| FAMILY | | | |
| Married, w/children | 27.65% | 35.44% | 30.42% |
| Married, no children | 53.01% | 47.04% | 42.46% |
| Single, w/children | 9.78% | 7.85% | 14.39% |
| Single, no children | 9.56% | 9.67% | 12.73% |
| Divorced | 11.02% | 9.30% | 10.62% |
| Separated | 1.66% | 7.02% | 4.97% |
| Widowed | 7.67% | 4.86% | 6.14% |
| Now Married | 51.04% | 41.51% | 46.32% |
| Never Married | 28.60% | 37.31% | 31.95% |
