| PEOPLE | Williamsport | Reading | United States |
| Population | 29,381 | 88,082 | 308,035,306 |
| Pop. Density | 3,365 | 8,912 | 87 |
| Pop. Change | -3.84% | 8.93% | 8.07% |
| Median Age | 29.7 | 29 | 37.3 |
| Households | 11,646 | 29,979 | 116,716,292 |
| Household Size | 2.28 | 2.85 | 2.58 |
| Male Population | 51.08% | 48.54% | 49.27% |
| Female Population | 48.92% | 51.46% | 50.96% |
| Married Population | 34.91% | 31.59% | 47.02% |
| Single Population | 65.09% | 68.41% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.55% | 9.51% | 6.56% |
| Age 5 to 9 | 5.88% | 8.51% | 6.61% |
| Age 10 to 14 | 4.98% | 8.02% | 6.71% |
| Age 15 to 17 | 3.30% | 4.93% | 4.21% |
| Age 18 to 20 | 7.73% | 4.28% | 2.95% |
| Age 21 to 24 | 14.62% | 8.77% | 7.01% |
| Age 25 to 34 | 12.90% | 14.01% | 13.33% |
| Age 35 to 44 | 10.23% | 12.40% | 13.33% |
| Age 45 to 49 | 12.30% | 11.74% | 14.61% |
| Age 50 to 54 | 12.30% | 11.74% | 14.61% |
| Age 55 to 59 | 10.08% | 8.53% | 11.84% |
| Age 60 to 64 | 10.08% | 8.53% | 11.84% |
| Age 65 to 74 | 5.40% | 4.67% | 7.05% |
| Age 75 to 84 | 3.98% | 3.17% | 4.24% |
| Age 85 and over | 2.04% | 1.46% | 1.78% |
| RACE | | | |
| White | 80.78% | 48.38% | 72.41% |
| Black | 13.51% | 13.20% | 12.61% |
| Asian | 0.75% | 1.18% | 4.75% |
| American Indian | 0.23% | 0.90% | 0.95% |
| Other | 4.72% | 36.34% | 9.28% |
| Hispanic | 10.29% | 3.20% | 16.35% |
| Non-Hispanic | 89.71% | 96.80% | 83.65% |
| FAMILY | | | |
| Married, w/children | 20.71% | 22.09% | 30.42% |
| Married, no children | 36.41% | 24.35% | 42.46% |
| Single, w/children | 27.23% | 34.62% | 14.39% |
| Single, no children | 15.65% | 18.94% | 12.73% |
| Divorced | 12.36% | 11.36% | 10.62% |
| Separated | 4.95% | 5.97% | 4.97% |
| Widowed | 7.27% | 7.22% | 6.14% |
| Now Married | 34.58% | 31.57% | 46.32% |
| Never Married | 40.84% | 43.88% | 31.95% |
