| PEOPLE | Amarillo | Buchanan | United States |
| Population | 190,695 | 4,456 | 308,035,306 |
| Pop. Density | 1,917 | 1,782 | 87 |
| Pop. Change | 7.80% | -5.90% | 8.07% |
| Median Age | 33.5 | 37.5 | 37.3 |
| Households | 73,918 | 1,901 | 116,716,292 |
| Household Size | 2.55 | 2.39 | 2.58 |
| Male Population | 48.49% | 48.11% | 49.27% |
| Female Population | 51.51% | 51.89% | 50.96% |
| Married Population | 46.64% | 46.38% | 47.02% |
| Single Population | 53.36% | 53.62% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.33% | 6.17% | 6.56% |
| Age 5 to 9 | 7.79% | 7.36% | 6.61% |
| Age 10 to 14 | 7.19% | 6.58% | 6.71% |
| Age 15 to 17 | 4.17% | 4.51% | 4.21% |
| Age 18 to 20 | 2.72% | 2.76% | 2.95% |
| Age 21 to 24 | 7.11% | 6.42% | 7.01% |
| Age 25 to 34 | 14.72% | 12.90% | 13.33% |
| Age 35 to 44 | 12.16% | 13.42% | 13.33% |
| Age 45 to 49 | 13.17% | 14.00% | 14.61% |
| Age 50 to 54 | 13.17% | 14.00% | 14.61% |
| Age 55 to 59 | 10.66% | 11.54% | 11.84% |
| Age 60 to 64 | 10.66% | 11.54% | 11.84% |
| Age 65 to 74 | 6.20% | 7.14% | 7.05% |
| Age 75 to 84 | 4.16% | 4.94% | 4.24% |
| Age 85 and over | 1.62% | 2.27% | 1.78% |
| RACE | | | |
| White | 77.02% | 86.62% | 72.41% |
| Black | 6.62% | 7.45% | 12.61% |
| Asian | 3.18% | 0.29% | 4.75% |
| American Indian | 0.78% | 1.17% | 0.95% |
| Other | 12.40% | 4.47% | 9.28% |
| Hispanic | 3.26% | 0.23% | 16.35% |
| Non-Hispanic | 96.74% | 99.77% | 83.65% |
| FAMILY | | | |
| Married, w/children | 31.01% | 27.55% | 30.42% |
| Married, no children | 39.80% | 39.61% | 42.46% |
| Single, w/children | 17.06% | 17.96% | 14.39% |
| Single, no children | 12.14% | 14.88% | 12.73% |
| Divorced | 13.60% | 11.80% | 10.62% |
| Separated | 4.18% | 6.09% | 4.97% |
| Widowed | 6.36% | 7.96% | 6.14% |
| Now Married | 46.10% | 45.51% | 46.32% |
| Never Married | 29.75% | 28.64% | 31.95% |