| PEOPLE | Ithaca | Somerville | United States |
| Population | 30,014 | 75,754 | 308,035,306 |
| Pop. Density | 5,570 | 18,404 | 87 |
| Pop. Change | 0.33% | -1.38% | 8.07% |
| Median Age | 22.7 | 31.7 | 37.3 |
| Households | 10,408 | 32,105 | 116,716,292 |
| Household Size | 2.13 | 2.29 | 2.58 |
| Male Population | 50.38% | 49.05% | 49.27% |
| Female Population | 49.62% | 50.95% | 50.96% |
| Married Population | 13.55% | 30.47% | 47.02% |
| Single Population | 86.45% | 69.53% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 2.33% | 4.62% | 6.56% |
| Age 5 to 9 | 2.30% | 3.09% | 6.61% |
| Age 10 to 14 | 2.13% | 2.58% | 6.71% |
| Age 15 to 17 | 1.43% | 1.76% | 4.21% |
| Age 18 to 20 | 15.43% | 2.80% | 2.95% |
| Age 21 to 24 | 37.11% | 12.17% | 7.01% |
| Age 25 to 34 | 15.15% | 31.42% | 13.33% |
| Age 35 to 44 | 6.29% | 14.21% | 13.33% |
| Age 45 to 49 | 6.09% | 10.26% | 14.61% |
| Age 50 to 54 | 6.09% | 10.26% | 14.61% |
| Age 55 to 59 | 5.84% | 7.96% | 11.84% |
| Age 60 to 64 | 5.84% | 7.96% | 11.84% |
| Age 65 to 74 | 2.71% | 4.65% | 7.05% |
| Age 75 to 84 | 1.91% | 3.05% | 4.24% |
| Age 85 and over | 1.28% | 1.42% | 1.78% |
| RACE | | | |
| White | 70.54% | 73.92% | 72.41% |
| Black | 6.57% | 6.81% | 12.61% |
| Asian | 16.17% | 8.72% | 4.75% |
| American Indian | 0.38% | 0.26% | 0.95% |
| Other | 6.34% | 10.29% | 9.28% |
| Hispanic | 24.32% | 1.15% | 16.35% |
| Non-Hispanic | 75.68% | 98.85% | 83.65% |
| FAMILY | | | |
| Married, w/children | 26.36% | 25.87% | 30.42% |
| Married, no children | 40.39% | 43.81% | 42.46% |
| Single, w/children | 20.19% | 11.95% | 14.39% |
| Single, no children | 13.06% | 18.38% | 12.73% |
| Divorced | 4.76% | 6.71% | 10.62% |
| Separated | 5.19% | 4.38% | 4.97% |
| Widowed | 3.23% | 4.85% | 6.14% |
| Now Married | 13.32% | 30.14% | 46.32% |
| Never Married | 73.51% | 53.92% | 31.95% |
