| PEOPLE | Tucumcari | Fort Collins | United States |
| Population | 5,363 | 143,986 | 308,035,306 |
| Pop. Density | 565 | 2,653 | 87 |
| Pop. Change | -9.04% | 15.45% | 8.07% |
| Median Age | 41.5 | 29.6 | 37.3 |
| Households | 2,410 | 57,829 | 116,716,292 |
| Household Size | 2.22 | 2.36 | 2.58 |
| Male Population | 47.92% | 49.94% | 49.27% |
| Female Population | 52.08% | 50.06% | 50.96% |
| Married Population | 42.13% | 41.83% | 47.02% |
| Single Population | 57.87% | 58.17% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.84% | 5.73% | 6.56% |
| Age 5 to 9 | 6.64% | 5.62% | 6.61% |
| Age 10 to 14 | 6.30% | 5.31% | 6.71% |
| Age 15 to 17 | 4.21% | 3.22% | 4.21% |
| Age 18 to 20 | 3.00% | 5.86% | 2.95% |
| Age 21 to 24 | 5.02% | 15.58% | 7.01% |
| Age 25 to 34 | 11.24% | 16.87% | 13.33% |
| Age 35 to 44 | 11.02% | 12.08% | 13.33% |
| Age 45 to 49 | 13.71% | 11.70% | 14.61% |
| Age 50 to 54 | 13.71% | 11.70% | 14.61% |
| Age 55 to 59 | 13.29% | 9.25% | 11.84% |
| Age 60 to 64 | 13.29% | 9.25% | 11.84% |
| Age 65 to 74 | 10.80% | 4.48% | 7.05% |
| Age 75 to 84 | 5.74% | 2.79% | 4.24% |
| Age 85 and over | 2.18% | 1.52% | 1.78% |
| RACE | | | |
| White | 81.35% | 89.04% | 72.41% |
| Black | 1.72% | 1.21% | 12.61% |
| Asian | 1.25% | 2.93% | 4.75% |
| American Indian | 1.25% | 0.65% | 0.95% |
| Other | 14.43% | 6.17% | 9.28% |
| Hispanic | 0.80% | 1.75% | 16.35% |
| Non-Hispanic | 99.20% | 98.25% | 83.65% |
| FAMILY | | | |
| Married, w/children | 19.52% | 35.29% | 30.42% |
| Married, no children | 40.99% | 42.38% | 42.46% |
| Single, w/children | 22.48% | 12.72% | 14.39% |
| Single, no children | 17.00% | 9.62% | 12.73% |
| Divorced | 12.89% | 10.28% | 10.62% |
| Separated | 3.55% | 3.05% | 4.97% |
| Widowed | 12.82% | 3.86% | 6.14% |
| Now Married | 41.33% | 41.79% | 46.32% |
| Never Married | 29.41% | 41.03% | 31.95% |