| PEOPLE | Johnstown | Anchorage | United States |
| Population | 8,743 | 291,826 | 308,035,306 |
| Pop. Density | 1,793 | 171 | 87 |
| Pop. Change | 2.28% | 13.66% | 8.07% |
| Median Age | 40.5 | 33 | 37.3 |
| Households | 3,686 | 107,332 | 116,716,292 |
| Household Size | 2.29 | 2.64 | 2.58 |
| Male Population | 47.21% | 50.79% | 49.27% |
| Female Population | 52.79% | 49.21% | 50.96% |
| Married Population | 45.36% | 47.44% | 47.02% |
| Single Population | 54.64% | 52.56% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.68% | 7.53% | 6.56% |
| Age 5 to 9 | 5.84% | 7.07% | 6.61% |
| Age 10 to 14 | 6.52% | 7.01% | 6.71% |
| Age 15 to 17 | 4.11% | 4.37% | 4.21% |
| Age 18 to 20 | 2.36% | 2.89% | 2.95% |
| Age 21 to 24 | 5.57% | 8.35% | 7.01% |
| Age 25 to 34 | 12.82% | 15.57% | 13.33% |
| Age 35 to 44 | 13.37% | 13.39% | 13.33% |
| Age 45 to 49 | 13.74% | 15.27% | 14.61% |
| Age 50 to 54 | 13.74% | 15.27% | 14.61% |
| Age 55 to 59 | 11.72% | 11.32% | 11.84% |
| Age 60 to 64 | 11.72% | 11.32% | 11.84% |
| Age 65 to 74 | 7.88% | 4.56% | 7.05% |
| Age 75 to 84 | 6.12% | 2.01% | 4.24% |
| Age 85 and over | 4.27% | 0.67% | 1.78% |
| RACE | | | |
| White | 95.44% | 65.96% | 72.41% |
| Black | 1.00% | 5.56% | 12.61% |
| Asian | 1.27% | 8.08% | 4.75% |
| American Indian | 0.10% | 7.93% | 0.95% |
| Other | 2.20% | 12.47% | 9.28% |
| Hispanic | 5.34% | 1.45% | 16.35% |
| Non-Hispanic | 94.66% | 98.55% | 83.65% |
| FAMILY | | | |
| Married, w/children | 25.65% | 34.38% | 30.42% |
| Married, no children | 40.65% | 39.32% | 42.46% |
| Single, w/children | 20.88% | 16.07% | 14.39% |
| Single, no children | 12.82% | 10.23% | 12.73% |
| Divorced | 8.74% | 12.12% | 10.62% |
| Separated | 7.23% | 5.02% | 4.97% |
| Widowed | 9.83% | 3.08% | 6.14% |
| Now Married | 46.21% | 47.77% | 46.32% |
| Never Married | 27.98% | 32.00% | 31.95% |
