| | Bozeman, MT | Sweet Home, OR | United States |
| Population | 51,574 | 9,716 | 329,725,481 |
| Female Population | 47.2% | 48.5% | 50.5% |
| Male Population | 52.8% | 51.5% | 49.5% |
| Median Age | 28.2 | 43 | 38.4 |
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| Population - 2010 | 37,321 | 8,945 | 309,327,143 |
| Population - 2000 | 27,509 | 8,016 | 285,036,114 |
| Population - 1990 | 22,660 | 6,850 | 251,960,433 |
| Pop. 2000 to Now | 85.3% | 25.0% | 15.6% |
| Pop. 1990 to Now | 124.9% | 46.3% | 30.8% |
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| Population Density | 2,563.6 | 1,833.2 | 93.4 |
| Land Area | 20.1 | 5.3 | 3,531,905.4 |
| Water Area | 0.1 | 0.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Bozeman, MT | Sweet Home, OR | United States |
| Age 0 to 4 | 3.6% | 3.7% | 5.9% |
| Age 5 to 9 | 3.8% | 5.9% | 6.1% |
| Age 10 to 14 | 4.2% | 7.0% | 6.6% |
| Age 15 to 17 | 2.6% | 5.3% | 3.9% |
| Age 18 to 20 | 12.3% | 4.3% | 4.0% |
| Age 21 to 24 | 15.9% | 2.0% | 5.2% |
| Age 25 to 34 | 20.2% | 11.2% | 13.8% |
| Age 35 to 44 | 11.3% | 12.7% | 12.9% |
| Age 45 to 54 | 9.1% | 12.2% | 12.6% |
| Age 55 to 59 | 3.3% | 7.7% | 6.7% |
| Age 60 to 64 | 3.5% | 8.6% | 6.3% |
| Age 65 to 74 | 6.2% | 11.5% | 9.6% |
| Age 75 to 84 | 2.9% | 5.6% | 4.5% |
| Age 85 and over | 1.2% | 2.3% | 1.9% |
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| Race | | | |
| | Bozeman, MT | Sweet Home, OR | United States |
| White | 88.2% | 88.2% | 59.4% |
| Black | 0.7% | 1.2% | 12.2% |
| Asian | 1.9% | 1.1% | 5.6% |
| Native American | 0.7% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.0% | 0.4% |
| Two or More Races | 3.6% | 3.0% | 3.2% |
| Hispanic | 4.6% | 6.2% | 18.4% |
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| Marriage & Family | | | |
| | Bozeman, MT | Sweet Home, OR | United States |
| Married Population | 37.2% | 45.3% | 49.8% |
| Currently Married | 36.3% | 42.8% | 48.0% |
| Married but Separated | 0.9% | 2.5% | 1.8% |
| Single Population | 62.8% | 54.7% | 50.2% |
| Never Married | 51.9% | 26.4% | 33.8% |
| Divorced | 8.9% | 19.6% | 10.8% |
| Widowed | 1.9% | 8.7% | 5.6% |
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| Household Size | 2.26 | 2.46 | 2.60 |
| Households | 20,988 | 3,917 | 124,010,992 |
| Family Households | 9,919 | 2,572 | 80,755,759 |
| Married couple, w/children | 31.0% | 20.0% | 30.5% |
| Married couple, no children | 47.9% | 43.3% | 42.9% |
| Non Family Households | 11,069 | 1,345 | 43,255,233 |
| Single householder, w/children | 10.0% | 25.7% | 15.8% |
| Single householder, no children | 11.0% | 11.0% | 10.8% |