| PEOPLE | Sparta | Little Falls | United States |
| Population | 1,770 | 4,946 | 308,035,306 |
| Pop. Density | 738 | 1,289 | 87 |
| Pop. Change | 7.44% | -5.42% | 8.07% |
| Median Age | 43.5 | 41.1 | 37.3 |
| Households | 783 | 2,192 | 116,716,292 |
| Household Size | 2.29 | 2.2 | 2.58 |
| Male Population | 46.27% | 46.89% | 49.27% |
| Female Population | 53.73% | 53.11% | 50.96% |
| Married Population | 46.19% | 39.58% | 47.02% |
| Single Population | 53.81% | 60.42% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.44% | 6.25% | 6.56% |
| Age 5 to 9 | 5.03% | 6.49% | 6.61% |
| Age 10 to 14 | 6.16% | 5.96% | 6.71% |
| Age 15 to 17 | 3.56% | 3.96% | 4.21% |
| Age 18 to 20 | 2.32% | 2.20% | 2.95% |
| Age 21 to 24 | 5.76% | 5.36% | 7.01% |
| Age 25 to 34 | 10.56% | 12.49% | 13.33% |
| Age 35 to 44 | 11.69% | 11.91% | 13.33% |
| Age 45 to 49 | 12.26% | 13.65% | 14.61% |
| Age 50 to 54 | 12.26% | 13.65% | 14.61% |
| Age 55 to 59 | 12.43% | 13.57% | 11.84% |
| Age 60 to 64 | 12.43% | 13.57% | 11.84% |
| Age 65 to 74 | 11.19% | 7.52% | 7.05% |
| Age 75 to 84 | 8.36% | 6.37% | 4.24% |
| Age 85 and over | 4.24% | 4.27% | 1.78% |
| RACE | | | |
| White | 85.54% | 96.81% | 72.41% |
| Black | 2.71% | 0.63% | 12.61% |
| Asian | 0.96% | 0.51% | 4.75% |
| American Indian | 0.96% | 0.12% | 0.95% |
| Other | 9.83% | 1.94% | 9.28% |
| Hispanic | 2.69% | 8.71% | 16.35% |
| Non-Hispanic | 97.31% | 91.29% | 83.65% |
| FAMILY | | | |
| Married, w/children | 18.46% | 25.56% | 30.42% |
| Married, no children | 43.46% | 38.63% | 42.46% |
| Single, w/children | 25.47% | 20.77% | 14.39% |
| Single, no children | 12.62% | 15.04% | 12.73% |
| Divorced | 13.88% | 11.64% | 10.62% |
| Separated | 6.88% | 4.59% | 4.97% |
| Widowed | 12.28% | 11.06% | 6.14% |
| Now Married | 45.89% | 38.90% | 46.32% |
| Never Married | 21.08% | 33.81% | 31.95% |