| PEOPLE | Noblesville | Columbus | United States |
| Population | 51,969 | 44,061 | 308,035,306 |
| Pop. Density | 1,656 | 1,602 | 87 |
| Pop. Change | 72.49% | 9.43% | 8.07% |
| Median Age | 33 | 37.1 | 37.3 |
| Households | 19,080 | 17,787 | 116,716,292 |
| Household Size | 2.71 | 2.42 | 2.58 |
| Male Population | 48.41% | 48.43% | 49.27% |
| Female Population | 51.59% | 51.57% | 50.96% |
| Married Population | 56.81% | 49.89% | 47.02% |
| Single Population | 43.19% | 50.11% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 9.31% | 7.10% | 6.56% |
| Age 5 to 9 | 9.12% | 7.01% | 6.61% |
| Age 10 to 14 | 7.77% | 6.80% | 6.71% |
| Age 15 to 17 | 3.98% | 4.27% | 4.21% |
| Age 18 to 20 | 1.96% | 2.43% | 2.95% |
| Age 21 to 24 | 4.59% | 5.74% | 7.01% |
| Age 25 to 34 | 16.64% | 13.72% | 13.33% |
| Age 35 to 44 | 16.28% | 13.62% | 13.33% |
| Age 45 to 49 | 12.60% | 13.44% | 14.61% |
| Age 50 to 54 | 12.60% | 13.44% | 14.61% |
| Age 55 to 59 | 9.01% | 11.43% | 11.84% |
| Age 60 to 64 | 9.01% | 11.43% | 11.84% |
| Age 65 to 74 | 4.96% | 7.32% | 7.05% |
| Age 75 to 84 | 2.64% | 4.82% | 4.24% |
| Age 85 and over | 1.13% | 2.28% | 1.78% |
| RACE | | | |
| White | 91.08% | 86.94% | 72.41% |
| Black | 3.65% | 2.67% | 12.61% |
| Asian | 1.68% | 5.60% | 4.75% |
| American Indian | 0.21% | 0.24% | 0.95% |
| Other | 3.38% | 4.56% | 9.28% |
| Hispanic | 2.03% | 1.53% | 16.35% |
| Non-Hispanic | 97.97% | 98.47% | 83.65% |
| FAMILY | | | |
| Married, w/children | 41.99% | 31.76% | 30.42% |
| Married, no children | 37.57% | 43.15% | 42.46% |
| Single, w/children | 13.50% | 15.02% | 14.39% |
| Single, no children | 6.93% | 10.07% | 12.73% |
| Divorced | 9.84% | 15.15% | 10.62% |
| Separated | 3.48% | 3.56% | 4.97% |
| Widowed | 5.11% | 6.52% | 6.14% |
| Now Married | 56.11% | 49.74% | 46.32% |
| Never Married | 25.46% | 25.03% | 31.95% |
