| PEOPLE | Colchester | Coolidge | United States |
| Population | 17,067 | 11,825 | 308,035,306 |
| Pop. Density | 470 | 209 | 87 |
| Pop. Change | 0.47% | 37.18% | 8.07% |
| Median Age | 35.4 | 31.1 | 37.3 |
| Households | 6,314 | 3,947 | 116,716,292 |
| Household Size | 2.41 | 2.98 | 2.58 |
| Male Population | 49.62% | 48.59% | 49.27% |
| Female Population | 50.38% | 51.41% | 50.96% |
| Married Population | 45.86% | 40.73% | 47.02% |
| Single Population | 54.14% | 59.27% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.92% | 9.81% | 6.56% |
| Age 5 to 9 | 4.96% | 9.02% | 6.61% |
| Age 10 to 14 | 5.53% | 8.09% | 6.71% |
| Age 15 to 17 | 3.64% | 5.12% | 4.21% |
| Age 18 to 20 | 5.69% | 3.01% | 2.95% |
| Age 21 to 24 | 12.18% | 6.41% | 7.01% |
| Age 25 to 34 | 12.66% | 14.13% | 13.33% |
| Age 35 to 44 | 12.72% | 11.50% | 13.33% |
| Age 45 to 49 | 15.42% | 12.60% | 14.61% |
| Age 50 to 54 | 15.42% | 12.60% | 14.61% |
| Age 55 to 59 | 12.71% | 10.04% | 11.84% |
| Age 60 to 64 | 12.71% | 10.04% | 11.84% |
| Age 65 to 74 | 5.82% | 5.91% | 7.05% |
| Age 75 to 84 | 2.82% | 3.33% | 4.24% |
| Age 85 and over | 0.94% | 1.01% | 1.78% |
| RACE | | | |
| White | 94.62% | 62.73% | 72.41% |
| Black | 1.23% | 7.85% | 12.61% |
| Asian | 2.10% | 0.97% | 4.75% |
| American Indian | 0.28% | 5.67% | 0.95% |
| Other | 1.77% | 22.78% | 9.28% |
| Hispanic | 3.04% | 39.66% | 16.35% |
| Non-Hispanic | 96.96% | 60.34% | 83.65% |
| FAMILY | | | |
| Married, w/children | 30.14% | 30.08% | 30.42% |
| Married, no children | 46.60% | 35.33% | 42.46% |
| Single, w/children | 14.62% | 20.26% | 14.39% |
| Single, no children | 8.64% | 14.33% | 12.73% |
| Divorced | 11.98% | 13.01% | 10.62% |
| Separated | 4.35% | 2.95% | 4.97% |
| Widowed | 3.13% | 6.50% | 6.14% |
| Now Married | 45.61% | 41.44% | 46.32% |
| Never Married | 34.93% | 36.11% | 31.95% |
