| PEOPLE | Helena | Billings | United States |
| Population | 28,190 | 104,170 | 308,035,306 |
| Pop. Density | 1,724 | 2,399 | 87 |
| Pop. Change | 9.22% | 14.35% | 8.07% |
| Median Age | 40.3 | 37.4 | 37.3 |
| Households | 12,780 | 43,945 | 116,716,292 |
| Household Size | 2.09 | 2.29 | 2.58 |
| Male Population | 48.00% | 48.25% | 49.27% |
| Female Population | 52.00% | 51.75% | 50.96% |
| Married Population | 41.95% | 47.22% | 47.02% |
| Single Population | 58.05% | 52.78% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.88% | 7.00% | 6.56% |
| Age 5 to 9 | 5.47% | 6.20% | 6.61% |
| Age 10 to 14 | 5.30% | 5.83% | 6.71% |
| Age 15 to 17 | 3.42% | 3.58% | 4.21% |
| Age 18 to 20 | 3.29% | 2.49% | 2.95% |
| Age 21 to 24 | 8.26% | 7.35% | 7.01% |
| Age 25 to 34 | 12.92% | 14.70% | 13.33% |
| Age 35 to 44 | 10.46% | 11.54% | 13.33% |
| Age 45 to 49 | 14.50% | 14.21% | 14.61% |
| Age 50 to 54 | 14.50% | 14.21% | 14.61% |
| Age 55 to 59 | 14.92% | 12.12% | 11.84% |
| Age 60 to 64 | 14.92% | 12.12% | 11.84% |
| Age 65 to 74 | 7.53% | 7.21% | 7.05% |
| Age 75 to 84 | 4.85% | 5.13% | 4.24% |
| Age 85 and over | 3.20% | 2.64% | 1.78% |
| RACE | | | |
| White | 93.34% | 89.58% | 72.41% |
| Black | 0.42% | 0.79% | 12.61% |
| Asian | 0.73% | 0.75% | 4.75% |
| American Indian | 2.30% | 4.43% | 0.95% |
| Other | 3.21% | 4.45% | 9.28% |
| Hispanic | 3.26% | 2.47% | 16.35% |
| Non-Hispanic | 96.74% | 97.53% | 83.65% |
| FAMILY | | | |
| Married, w/children | 25.39% | 28.20% | 30.42% |
| Married, no children | 47.59% | 45.19% | 42.46% |
| Single, w/children | 17.74% | 16.37% | 14.39% |
| Single, no children | 9.28% | 10.24% | 12.73% |
| Divorced | 16.37% | 14.84% | 10.62% |
| Separated | 4.06% | 2.86% | 4.97% |
| Widowed | 6.86% | 6.31% | 6.14% |
| Now Married | 42.09% | 46.60% | 46.32% |
| Never Married | 30.63% | 29.39% | 31.95% |
