| PEOPLE | Seeley Lake | Bozeman | United States |
| Population | 1,659 | 37,280 | 308,035,306 |
| Pop. Density | 136 | 1,950 | 87 |
| Pop. Change | 17.01% | 30.91% | 8.07% |
| Median Age | 49.5 | 27.5 | 37.3 |
| Households | 751 | 15,775 | 116,716,292 |
| Household Size | 2.18 | 2.18 | 2.58 |
| Male Population | 53.53% | 52.64% | 49.27% |
| Female Population | 46.47% | 47.36% | 50.96% |
| Married Population | 60.44% | 33.88% | 47.02% |
| Single Population | 39.56% | 66.12% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.04% | 5.51% | 6.56% |
| Age 5 to 9 | 5.61% | 4.45% | 6.61% |
| Age 10 to 14 | 5.55% | 3.71% | 6.71% |
| Age 15 to 17 | 3.80% | 2.02% | 4.21% |
| Age 18 to 20 | 1.69% | 7.27% | 2.95% |
| Age 21 to 24 | 3.01% | 20.91% | 7.01% |
| Age 25 to 34 | 7.66% | 20.68% | 13.33% |
| Age 35 to 44 | 12.18% | 10.69% | 13.33% |
| Age 45 to 49 | 16.58% | 9.02% | 14.61% |
| Age 50 to 54 | 16.58% | 9.02% | 14.61% |
| Age 55 to 59 | 20.07% | 7.66% | 11.84% |
| Age 60 to 64 | 20.07% | 7.66% | 11.84% |
| Age 65 to 74 | 13.50% | 3.51% | 7.05% |
| Age 75 to 84 | 5.12% | 2.63% | 4.24% |
| Age 85 and over | 1.21% | 1.94% | 1.78% |
| RACE | | | |
| White | 95.96% | 93.64% | 72.41% |
| Black | 0.06% | 0.47% | 12.61% |
| Asian | 0.24% | 1.92% | 4.75% |
| American Indian | 0.90% | 1.11% | 0.95% |
| Other | 2.83% | 2.86% | 9.28% |
| Hispanic | 1.34% | 1.31% | 16.35% |
| Non-Hispanic | 98.66% | 98.69% | 83.65% |
| FAMILY | | | |
| Married, w/children | 21.77% | 32.29% | 30.42% |
| Married, no children | 64.52% | 43.48% | 42.46% |
| Single, w/children | 9.07% | 14.68% | 14.39% |
| Single, no children | 4.64% | 9.55% | 12.73% |
| Divorced | 12.26% | 10.05% | 10.62% |
| Separated | 1.53% | 3.43% | 4.97% |
| Widowed | 3.47% | 3.56% | 6.14% |
| Now Married | 61.21% | 33.87% | 46.32% |
| Never Married | 21.53% | 49.09% | 31.95% |
