| PEOPLE | Las Vegas | Arvada | United States |
| Population | 583,756 | 106,433 | 308,035,306 |
| Pop. Density | 4,298 | 3,029 | 87 |
| Pop. Change | 26.09% | 1.42% | 8.07% |
| Median Age | 35.8 | 40.5 | 37.3 |
| Households | 211,689 | 42,701 | 116,716,292 |
| Household Size | 2.72 | 2.48 | 2.58 |
| Male Population | 50.38% | 48.76% | 49.27% |
| Female Population | 49.62% | 51.24% | 50.96% |
| Married Population | 44.40% | 53.90% | 47.02% |
| Single Population | 55.60% | 46.10% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.22% | 5.88% | 6.56% |
| Age 5 to 9 | 7.11% | 6.48% | 6.61% |
| Age 10 to 14 | 7.03% | 6.77% | 6.71% |
| Age 15 to 17 | 4.30% | 4.23% | 4.21% |
| Age 18 to 20 | 2.64% | 2.27% | 2.95% |
| Age 21 to 24 | 6.30% | 5.48% | 7.01% |
| Age 25 to 34 | 14.19% | 11.84% | 13.33% |
| Age 35 to 44 | 14.69% | 13.37% | 13.33% |
| Age 45 to 49 | 13.77% | 16.37% | 14.61% |
| Age 50 to 54 | 13.77% | 16.37% | 14.61% |
| Age 55 to 59 | 10.76% | 13.42% | 11.84% |
| Age 60 to 64 | 10.76% | 13.42% | 11.84% |
| Age 65 to 74 | 7.00% | 7.57% | 7.05% |
| Age 75 to 84 | 3.84% | 4.60% | 4.24% |
| Age 85 and over | 1.16% | 1.73% | 1.78% |
| RACE | | | |
| White | 62.06% | 89.83% | 72.41% |
| Black | 11.11% | 0.90% | 12.61% |
| Asian | 6.10% | 2.17% | 4.75% |
| American Indian | 0.71% | 0.80% | 0.95% |
| Other | 20.02% | 6.29% | 9.28% |
| Hispanic | 3.27% | 5.93% | 16.35% |
| Non-Hispanic | 96.73% | 94.07% | 83.65% |
| FAMILY | | | |
| Married, w/children | 30.45% | 30.60% | 30.42% |
| Married, no children | 37.29% | 46.93% | 42.46% |
| Single, w/children | 17.30% | 12.19% | 14.39% |
| Single, no children | 14.95% | 10.27% | 12.73% |
| Divorced | 13.85% | 12.81% | 10.62% |
| Separated | 7.22% | 2.45% | 4.97% |
| Widowed | 5.20% | 5.82% | 6.14% |
| Now Married | 43.67% | 53.06% | 46.32% |
| Never Married | 30.06% | 25.86% | 31.95% |