| PEOPLE | Columbia City | United States |
| Population | 8,750 | 308,035,306 |
| Pop. Density | 1,568 | 87 |
| Pop. Change | 13.83% | 8.07% |
| Median Age | 36.3 | 37.3 |
| Households | 3,658 | 116,716,292 |
| Household Size | 2.39 | 2.58 |
| Male Population | 47.60% | 49.27% |
| Female Population | 52.40% | 50.96% |
| Married Population | 50.15% | 47.02% |
| Single Population | 49.85% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | |
| Age 0 to 4 | 7.31% | 6.56% |
| Age 5 to 9 | 6.91% | 6.61% |
| Age 10 to 14 | 6.61% | 6.71% |
| Age 15 to 17 | 4.05% | 4.21% |
| Age 18 to 20 | 2.32% | 2.95% |
| Age 21 to 24 | 6.78% | 7.01% |
| Age 25 to 34 | 14.27% | 13.33% |
| Age 35 to 44 | 12.49% | 13.33% |
| Age 45 to 49 | 13.53% | 14.61% |
| Age 50 to 54 | 13.53% | 14.61% |
| Age 55 to 59 | 10.41% | 11.84% |
| Age 60 to 64 | 10.41% | 11.84% |
| Age 65 to 74 | 6.34% | 7.05% |
| Age 75 to 84 | 6.29% | 4.24% |
| Age 85 and over | 2.69% | 1.78% |
| RACE | | |
| White | 96.71% | 72.41% |
| Black | 0.49% | 12.61% |
| Asian | 0.49% | 4.75% |
| American Indian | 0.25% | 0.95% |
| Other | 2.06% | 9.28% |
| Hispanic | 5.88% | 16.35% |
| Non-Hispanic | 94.12% | 83.65% |
| FAMILY | | |
| Married, w/children | 26.76% | 30.42% |
| Married, no children | 42.64% | 42.46% |
| Single, w/children | 20.13% | 14.39% |
| Single, no children | 10.47% | 12.73% |
| Divorced | 15.45% | 10.62% |
| Separated | 3.70% | 4.97% |
| Widowed | 9.76% | 6.14% |
| Now Married | 49.17% | 46.32% |
| Never Married | 21.92% | 31.95% |
