| PEOPLE | Sussex | Bettendorf | United States |
| Population | 10,518 | 33,217 | 308,035,306 |
| Pop. Density | 1,389 | 1,566 | 87 |
| Pop. Change | 13.54% | 7.12% | 8.07% |
| Median Age | 37.4 | 40.7 | 37.3 |
| Households | 4,039 | 13,681 | 116,716,292 |
| Household Size | 2.49 | 2.42 | 2.58 |
| Male Population | 49.42% | 48.60% | 49.27% |
| Female Population | 50.58% | 51.40% | 50.96% |
| Married Population | 56.52% | 56.66% | 47.02% |
| Single Population | 43.48% | 43.34% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.02% | 6.01% | 6.56% |
| Age 5 to 9 | 8.24% | 7.39% | 6.61% |
| Age 10 to 14 | 8.61% | 7.60% | 6.71% |
| Age 15 to 17 | 4.45% | 4.54% | 4.21% |
| Age 18 to 20 | 1.83% | 1.82% | 2.95% |
| Age 21 to 24 | 4.76% | 3.96% | 7.01% |
| Age 25 to 34 | 11.51% | 11.39% | 13.33% |
| Age 35 to 44 | 16.57% | 13.20% | 13.33% |
| Age 45 to 49 | 17.28% | 15.56% | 14.61% |
| Age 50 to 54 | 17.28% | 15.56% | 14.61% |
| Age 55 to 59 | 10.14% | 13.75% | 11.84% |
| Age 60 to 64 | 10.14% | 13.75% | 11.84% |
| Age 65 to 74 | 5.12% | 7.62% | 7.05% |
| Age 75 to 84 | 3.24% | 4.90% | 4.24% |
| Age 85 and over | 1.23% | 2.25% | 1.78% |
| RACE | | | |
| White | 95.20% | 91.94% | 72.41% |
| Black | 0.80% | 2.25% | 12.61% |
| Asian | 2.13% | 3.09% | 4.75% |
| American Indian | 0.33% | 0.20% | 0.95% |
| Other | 1.54% | 2.53% | 9.28% |
| Hispanic | 1.13% | 2.15% | 16.35% |
| Non-Hispanic | 98.87% | 97.85% | 83.65% |
| FAMILY | | | |
| Married, w/children | 41.75% | 35.73% | 30.42% |
| Married, no children | 41.10% | 46.83% | 42.46% |
| Single, w/children | 11.26% | 10.74% | 14.39% |
| Single, no children | 5.90% | 6.70% | 12.73% |
| Divorced | 10.00% | 11.32% | 10.62% |
| Separated | 0.96% | 1.77% | 4.97% |
| Widowed | 6.06% | 6.25% | 6.14% |
| Now Married | 57.60% | 56.25% | 46.32% |
| Never Married | 25.38% | 24.42% | 31.95% |