| PEOPLE | Phoenix | Auburn | United States |
| Population | 1,445,632 | 53,380 | 308,035,306 |
| Pop. Density | 2,798 | 919 | 87 |
| Pop. Change | 5.11% | 25.49% | 8.07% |
| Median Age | 32.2 | 23.8 | 37.3 |
| Households | 514,806 | 22,111 | 116,716,292 |
| Household Size | 2.78 | 2.21 | 2.58 |
| Male Population | 50.15% | 50.09% | 49.27% |
| Female Population | 49.85% | 49.91% | 50.96% |
| Married Population | 38.49% | 29.52% | 47.02% |
| Single Population | 61.51% | 70.48% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.29% | 4.95% | 6.56% |
| Age 5 to 9 | 7.83% | 4.88% | 6.61% |
| Age 10 to 14 | 7.52% | 4.78% | 6.71% |
| Age 15 to 17 | 4.60% | 2.85% | 4.21% |
| Age 18 to 20 | 3.04% | 9.85% | 2.95% |
| Age 21 to 24 | 7.38% | 28.16% | 7.01% |
| Age 25 to 34 | 15.50% | 13.38% | 13.33% |
| Age 35 to 44 | 14.28% | 9.71% | 13.33% |
| Age 45 to 49 | 13.50% | 8.24% | 14.61% |
| Age 50 to 54 | 13.50% | 8.24% | 14.61% |
| Age 55 to 59 | 9.62% | 6.34% | 11.84% |
| Age 60 to 64 | 9.62% | 6.34% | 11.84% |
| Age 65 to 74 | 4.87% | 3.64% | 7.05% |
| Age 75 to 84 | 2.56% | 2.17% | 4.24% |
| Age 85 and over | 1.00% | 1.04% | 1.78% |
| RACE | | | |
| White | 65.85% | 75.06% | 72.41% |
| Black | 6.48% | 16.55% | 12.61% |
| Asian | 3.15% | 5.29% | 4.75% |
| American Indian | 2.24% | 0.28% | 0.95% |
| Other | 22.28% | 2.82% | 9.28% |
| Hispanic | 2.90% | 0.80% | 16.35% |
| Non-Hispanic | 97.10% | 99.20% | 83.65% |
| FAMILY | | | |
| Married, w/children | 32.41% | 35.71% | 30.42% |
| Married, no children | 33.47% | 36.76% | 42.46% |
| Single, w/children | 19.84% | 13.56% | 14.39% |
| Single, no children | 14.28% | 13.98% | 12.73% |
| Divorced | 13.39% | 5.74% | 10.62% |
| Separated | 7.27% | 3.64% | 4.97% |
| Widowed | 4.82% | 2.48% | 6.14% |
| Now Married | 38.44% | 29.94% | 46.32% |
| Never Married | 36.08% | 58.19% | 31.95% |
