| PEOPLE | Vernon Township | Mandan | United States |
| Population | 23,943 | 18,331 | 308,035,306 |
| Pop. Density | 351 | 1,662 | 87 |
| Pop. Change | -3.01% | 10.76% | 8.07% |
| Median Age | 40.4 | 37.2 | 37.3 |
| Households | 8,622 | 7,632 | 116,716,292 |
| Household Size | 2.77 | 2.33 | 2.58 |
| Male Population | 50.70% | 49.21% | 49.27% |
| Female Population | 49.30% | 50.79% | 50.96% |
| Married Population | 57.60% | 53.13% | 47.02% |
| Single Population | 42.40% | 46.87% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.00% | 7.33% | 6.56% |
| Age 5 to 9 | 6.28% | 6.49% | 6.61% |
| Age 10 to 14 | 7.44% | 6.27% | 6.71% |
| Age 15 to 17 | 5.57% | 3.79% | 4.21% |
| Age 18 to 20 | 2.91% | 2.25% | 2.95% |
| Age 21 to 24 | 5.83% | 5.97% | 7.01% |
| Age 25 to 34 | 10.10% | 15.12% | 13.33% |
| Age 35 to 44 | 14.43% | 12.25% | 13.33% |
| Age 45 to 49 | 20.34% | 14.87% | 14.61% |
| Age 50 to 54 | 20.34% | 14.87% | 14.61% |
| Age 55 to 59 | 13.66% | 12.46% | 11.84% |
| Age 60 to 64 | 13.66% | 12.46% | 11.84% |
| Age 65 to 74 | 5.38% | 6.37% | 7.05% |
| Age 75 to 84 | 2.28% | 4.74% | 4.24% |
| Age 85 and over | 0.78% | 2.09% | 1.78% |
| RACE | | | |
| White | 95.18% | 91.72% | 72.41% |
| Black | 1.39% | 0.61% | 12.61% |
| Asian | 0.78% | 0.22% | 4.75% |
| American Indian | 0.17% | 4.93% | 0.95% |
| Other | 2.49% | 2.51% | 9.28% |
| Hispanic | 0.71% | 3.06% | 16.35% |
| Non-Hispanic | 99.29% | 96.94% | 83.65% |
| FAMILY | | | |
| Married, w/children | 37.72% | 28.88% | 30.42% |
| Married, no children | 44.71% | 46.17% | 42.46% |
| Single, w/children | 8.87% | 16.93% | 14.39% |
| Single, no children | 8.69% | 8.03% | 12.73% |
| Divorced | 7.27% | 10.20% | 10.62% |
| Separated | 2.26% | 0.77% | 4.97% |
| Widowed | 4.15% | 7.10% | 6.14% |
| Now Married | 58.59% | 52.38% | 46.32% |
| Never Married | 27.73% | 29.55% | 31.95% |