| PEOPLE | Salem | Downingtown | United States |
| Population | 24,802 | 7,891 | 308,035,306 |
| Pop. Density | 1,718 | 3,607 | 87 |
| Pop. Change | 0.14% | 5.32% | 8.07% |
| Median Age | 40.6 | 35.9 | 37.3 |
| Households | 10,045 | 3,286 | 116,716,292 |
| Household Size | 2.3 | 2.35 | 2.58 |
| Male Population | 47.44% | 48.80% | 49.27% |
| Female Population | 52.56% | 51.20% | 50.96% |
| Married Population | 42.04% | 42.06% | 47.02% |
| Single Population | 57.96% | 57.94% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.82% | 6.64% | 6.56% |
| Age 5 to 9 | 5.40% | 5.13% | 6.61% |
| Age 10 to 14 | 5.84% | 5.78% | 6.71% |
| Age 15 to 17 | 3.83% | 3.89% | 4.21% |
| Age 18 to 20 | 4.72% | 2.41% | 2.95% |
| Age 21 to 24 | 8.90% | 6.94% | 7.01% |
| Age 25 to 34 | 10.14% | 18.10% | 13.33% |
| Age 35 to 44 | 11.79% | 12.34% | 13.33% |
| Age 45 to 49 | 14.51% | 15.60% | 14.61% |
| Age 50 to 54 | 14.51% | 15.60% | 14.61% |
| Age 55 to 59 | 12.95% | 10.95% | 11.84% |
| Age 60 to 64 | 12.95% | 10.95% | 11.84% |
| Age 65 to 74 | 8.62% | 5.63% | 7.05% |
| Age 75 to 84 | 6.01% | 4.26% | 4.24% |
| Age 85 and over | 2.47% | 2.33% | 1.78% |
| RACE | | | |
| White | 88.19% | 79.27% | 72.41% |
| Black | 7.11% | 12.01% | 12.61% |
| Asian | 1.62% | 2.74% | 4.75% |
| American Indian | 0.25% | 0.08% | 0.95% |
| Other | 2.83% | 5.91% | 9.28% |
| Hispanic | 1.47% | 14.33% | 16.35% |
| Non-Hispanic | 98.53% | 85.67% | 83.65% |
| FAMILY | | | |
| Married, w/children | 26.06% | 28.27% | 30.42% |
| Married, no children | 46.90% | 37.64% | 42.46% |
| Single, w/children | 14.14% | 18.43% | 14.39% |
| Single, no children | 12.90% | 15.67% | 12.73% |
| Divorced | 13.61% | 11.25% | 10.62% |
| Separated | 6.08% | 4.03% | 4.97% |
| Widowed | 8.39% | 6.86% | 6.14% |
| Now Married | 41.26% | 42.81% | 46.32% |
| Never Married | 30.66% | 35.04% | 31.95% |