| PEOPLE | Ames | Westminster | United States |
| Population | 58,965 | 106,114 | 308,035,306 |
| Pop. Density | 2,435 | 3,363 | 87 |
| Pop. Change | 16.36% | 5.14% | 8.07% |
| Median Age | 24.1 | 35.1 | 37.3 |
| Households | 22,759 | 42,041 | 116,716,292 |
| Household Size | 2.26 | 2.55 | 2.58 |
| Male Population | 52.99% | 49.56% | 49.27% |
| Female Population | 47.01% | 50.44% | 50.96% |
| Married Population | 31.43% | 52.21% | 47.02% |
| Single Population | 68.57% | 47.79% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.51% | 7.04% | 6.56% |
| Age 5 to 9 | 3.70% | 6.57% | 6.61% |
| Age 10 to 14 | 3.25% | 6.40% | 6.71% |
| Age 15 to 17 | 1.94% | 4.06% | 4.21% |
| Age 18 to 20 | 10.97% | 2.48% | 2.95% |
| Age 21 to 24 | 29.64% | 7.07% | 7.01% |
| Age 25 to 34 | 15.41% | 16.18% | 13.33% |
| Age 35 to 44 | 7.51% | 14.24% | 13.33% |
| Age 45 to 49 | 7.63% | 15.35% | 14.61% |
| Age 50 to 54 | 7.63% | 15.35% | 14.61% |
| Age 55 to 59 | 7.35% | 11.50% | 11.84% |
| Age 60 to 64 | 7.35% | 11.50% | 11.84% |
| Age 65 to 74 | 4.10% | 5.22% | 7.05% |
| Age 75 to 84 | 2.79% | 2.81% | 4.24% |
| Age 85 and over | 1.21% | 1.09% | 1.78% |
| RACE | | | |
| White | 84.52% | 82.03% | 72.41% |
| Black | 3.38% | 1.42% | 12.61% |
| Asian | 8.78% | 5.41% | 4.75% |
| American Indian | 0.17% | 0.95% | 0.95% |
| Other | 3.15% | 10.19% | 9.28% |
| Hispanic | 0.00% | 1.57% | 16.35% |
| Non-Hispanic | 100.00% | 98.43% | 83.65% |
| FAMILY | | | |
| Married, w/children | 32.22% | 32.75% | 30.42% |
| Married, no children | 49.22% | 42.39% | 42.46% |
| Single, w/children | 9.61% | 13.73% | 14.39% |
| Single, no children | 8.95% | 11.13% | 12.73% |
| Divorced | 5.01% | 12.27% | 10.62% |
| Separated | 2.78% | 3.32% | 4.97% |
| Widowed | 2.69% | 3.61% | 6.14% |
| Now Married | 31.66% | 51.45% | 46.32% |
| Never Married | 57.86% | 29.35% | 31.95% |