| PEOPLE | The Plains | Spring Grove | United States |
| Population | 217 | 2,167 | 308,035,306 |
| Pop. Density | 819 | 2,796 | 87 |
| Pop. Change | 0.54% | 6.24% | 8.07% |
| Median Age | 45.6 | 36.7 | 37.3 |
| Households | 85 | 865 | 116,716,292 |
| Household Size | 2.44 | 2.51 | 2.58 |
| Male Population | 53.92% | 50.44% | 49.27% |
| Female Population | 46.08% | 49.56% | 50.96% |
| Married Population | 47.22% | 51.37% | 47.02% |
| Single Population | 52.78% | 48.63% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 2.76% | 7.38% | 6.56% |
| Age 5 to 9 | 9.68% | 6.46% | 6.61% |
| Age 10 to 14 | 6.45% | 6.09% | 6.71% |
| Age 15 to 17 | 3.69% | 4.75% | 4.21% |
| Age 18 to 20 | 0.92% | 2.68% | 2.95% |
| Age 21 to 24 | 3.23% | 7.06% | 7.01% |
| Age 25 to 34 | 10.14% | 13.38% | 13.33% |
| Age 35 to 44 | 11.98% | 13.61% | 13.33% |
| Age 45 to 49 | 21.20% | 14.07% | 14.61% |
| Age 50 to 54 | 21.20% | 14.07% | 14.61% |
| Age 55 to 59 | 15.67% | 12.74% | 11.84% |
| Age 60 to 64 | 15.67% | 12.74% | 11.84% |
| Age 65 to 74 | 8.76% | 6.41% | 7.05% |
| Age 75 to 84 | 4.61% | 4.43% | 4.24% |
| Age 85 and over | 0.92% | 0.92% | 1.78% |
| RACE | | | |
| White | 85.25% | 93.86% | 72.41% |
| Black | 9.22% | 0.69% | 12.61% |
| Asian | 0.00% | 0.46% | 4.75% |
| American Indian | 0.00% | 0.00% | 0.95% |
| Other | 5.53% | 4.98% | 9.28% |
| Hispanic | 0.00% | 3.85% | 16.35% |
| Non-Hispanic | 100.00% | 96.15% | 83.65% |
| FAMILY | | | |
| Married, w/children | 21.05% | 25.16% | 30.42% |
| Married, no children | 43.86% | 46.59% | 42.46% |
| Single, w/children | 12.28% | 19.32% | 14.39% |
| Single, no children | 22.81% | 8.93% | 12.73% |
| Divorced | 11.84% | 12.01% | 10.62% |
| Separated | 4.49% | 2.39% | 4.97% |
| Widowed | 6.12% | 8.34% | 6.14% |
| Now Married | 46.94% | 51.20% | 46.32% |
| Never Married | 30.61% | 26.07% | 31.95% |
