| PEOPLE | Plainview township | Devils Lake | United States |
| Population | 40 | 7,141 | 308,035,306 |
| Pop. Density | 1 | 1,098 | 87 |
| Pop. Change | -18.37% | -1.60% | 8.07% |
| Median Age | 47.1 | 40.3 | 37.3 |
| Households | 17 | 3,229 | 116,716,292 |
| Household Size | 2.35 | 2.09 | 2.58 |
| Male Population | 55.00% | 48.14% | 49.27% |
| Female Population | 45.00% | 51.86% | 50.96% |
| Married Population | 65.74% | 44.46% | 47.02% |
| Single Population | 34.26% | 55.54% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.00% | 6.88% | 6.56% |
| Age 5 to 9 | 5.00% | 5.69% | 6.61% |
| Age 10 to 14 | 7.50% | 5.07% | 6.71% |
| Age 15 to 17 | 5.00% | 3.94% | 4.21% |
| Age 18 to 20 | 2.50% | 3.32% | 2.95% |
| Age 21 to 24 | 2.50% | 7.49% | 7.01% |
| Age 25 to 34 | 10.00% | 12.20% | 13.33% |
| Age 35 to 44 | 12.50% | 10.12% | 13.33% |
| Age 45 to 49 | 20.00% | 14.41% | 14.61% |
| Age 50 to 54 | 20.00% | 14.41% | 14.61% |
| Age 55 to 59 | 17.50% | 11.67% | 11.84% |
| Age 60 to 64 | 17.50% | 11.67% | 11.84% |
| Age 65 to 74 | 7.50% | 7.73% | 7.05% |
| Age 75 to 84 | 5.00% | 6.96% | 4.24% |
| Age 85 and over | 2.50% | 4.54% | 1.78% |
| RACE | | | |
| White | 97.50% | 82.86% | 72.41% |
| Black | 0.00% | 0.52% | 12.61% |
| Asian | 0.00% | 0.42% | 4.75% |
| American Indian | 2.50% | 12.53% | 0.95% |
| Other | 0.00% | 3.67% | 9.28% |
| Hispanic | 0.00% | 2.40% | 16.35% |
| Non-Hispanic | 100.00% | 97.60% | 83.65% |
| FAMILY | | | |
| Married, w/children | 33.33% | 23.60% | 30.42% |
| Married, no children | 58.33% | 44.28% | 42.46% |
| Single, w/children | 8.33% | 22.14% | 14.39% |
| Single, no children | 8.33% | 9.99% | 12.73% |
| Divorced | 5.41% | 11.96% | 10.62% |
| Separated | 0.00% | 3.03% | 4.97% |
| Widowed | 5.41% | 11.73% | 6.14% |
| Now Married | 64.86% | 44.24% | 46.32% |
| Never Married | 24.32% | 29.04% | 31.95% |