| PEOPLE | Newcastle | Auburn | United States |
| Population | 6,362 | 13,330 | 308,035,306 |
| Pop. Density | 257 | 1,867 | 87 |
| Pop. Change | 12.30% | 4.25% | 8.07% |
| Median Age | 48.5 | 45.5 | 37.3 |
| Households | 2,480 | 5,759 | 116,716,292 |
| Household Size | 2.56 | 2.26 | 2.58 |
| Male Population | 49.89% | 47.23% | 49.27% |
| Female Population | 50.11% | 52.77% | 50.96% |
| Married Population | 60.26% | 43.63% | 47.02% |
| Single Population | 39.74% | 56.37% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.01% | 5.11% | 6.56% |
| Age 5 to 9 | 5.41% | 4.79% | 6.61% |
| Age 10 to 14 | 6.93% | 5.63% | 6.71% |
| Age 15 to 17 | 4.70% | 4.31% | 4.21% |
| Age 18 to 20 | 2.28% | 2.31% | 2.95% |
| Age 21 to 24 | 3.88% | 5.42% | 7.01% |
| Age 25 to 34 | 6.66% | 10.14% | 13.33% |
| Age 35 to 44 | 9.87% | 11.60% | 13.33% |
| Age 45 to 49 | 19.35% | 15.84% | 14.61% |
| Age 50 to 54 | 19.35% | 15.84% | 14.61% |
| Age 55 to 59 | 17.60% | 15.84% | 11.84% |
| Age 60 to 64 | 17.60% | 15.84% | 11.84% |
| Age 65 to 74 | 10.99% | 9.03% | 7.05% |
| Age 75 to 84 | 6.05% | 6.22% | 4.24% |
| Age 85 and over | 2.28% | 3.74% | 1.78% |
| RACE | | | |
| White | 90.44% | 88.99% | 72.41% |
| Black | 0.53% | 0.75% | 12.61% |
| Asian | 2.31% | 1.80% | 4.75% |
| American Indian | 1.27% | 0.97% | 0.95% |
| Other | 5.44% | 7.49% | 9.28% |
| Hispanic | 6.77% | 74.85% | 16.35% |
| Non-Hispanic | 93.23% | 25.15% | 83.65% |
| FAMILY | | | |
| Married, w/children | 29.58% | 26.11% | 30.42% |
| Married, no children | 56.45% | 49.11% | 42.46% |
| Single, w/children | 5.54% | 13.30% | 14.39% |
| Single, no children | 8.42% | 11.49% | 12.73% |
| Divorced | 11.47% | 13.79% | 10.62% |
| Separated | 2.28% | 4.56% | 4.97% |
| Widowed | 6.57% | 8.57% | 6.14% |
| Now Married | 59.95% | 44.42% | 46.32% |
| Never Married | 19.73% | 28.66% | 31.95% |
