| | Great Falls, MT | Battle Creek, MI | United States |
| Population | 60,381 | 52,434 | 329,725,481 |
| Female Population | 50.6% | 51.2% | 50.5% |
| Male Population | 49.4% | 48.8% | 49.5% |
| Median Age | 39 | 37 | 38.4 |
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| Population - 2010 | 59,239 | 52,303 | 309,327,143 |
| Population - 2000 | 56,690 | 53,364 | 285,036,114 |
| Population - 1990 | 55,097 | 53,540 | 251,960,433 |
| Pop. 2000 to Now | 2.9% | -4.8% | 15.6% |
| Pop. 1990 to Now | 5.9% | -5.1% | 30.8% |
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| Population Density | 2,630.3 | 1,230.7 | 93.4 |
| Land Area | 23.0 | 42.6 | 3,531,905.4 |
| Water Area | 0.5 | 1.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Great Falls, MT | Battle Creek, MI | United States |
| Age 0 to 4 | 5.8% | 7.0% | 5.9% |
| Age 5 to 9 | 6.1% | 7.0% | 6.1% |
| Age 10 to 14 | 6.1% | 7.0% | 6.6% |
| Age 15 to 17 | 3.6% | 4.7% | 3.9% |
| Age 18 to 20 | 3.5% | 3.5% | 4.0% |
| Age 21 to 24 | 5.2% | 4.4% | 5.2% |
| Age 25 to 34 | 14.3% | 13.6% | 13.8% |
| Age 35 to 44 | 11.7% | 13.8% | 12.9% |
| Age 45 to 54 | 11.3% | 11.9% | 12.6% |
| Age 55 to 59 | 6.4% | 5.8% | 6.7% |
| Age 60 to 64 | 6.6% | 5.9% | 6.3% |
| Age 65 to 74 | 10.7% | 9.4% | 9.6% |
| Age 75 to 84 | 5.7% | 4.1% | 4.5% |
| Age 85 and over | 2.9% | 2.0% | 1.9% |
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| Race | | | |
| | Great Falls, MT | Battle Creek, MI | United States |
| White | 83.1% | 64.0% | 59.4% |
| Black | 1.1% | 15.8% | 12.2% |
| Asian | 0.8% | 4.7% | 5.6% |
| Native American | 4.4% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.5% | 0.4% |
| Two or More Races | 5.1% | 6.3% | 3.2% |
| Hispanic | 5.3% | 8.3% | 18.4% |
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| Marriage & Family | | | |
| | Great Falls, MT | Battle Creek, MI | United States |
| Married Population | 47.0% | 40.4% | 49.8% |
| Currently Married | 45.4% | 38.9% | 48.0% |
| Married but Separated | 1.6% | 1.5% | 1.8% |
| Single Population | 53.0% | 59.6% | 50.2% |
| Never Married | 30.6% | 37.2% | 33.8% |
| Divorced | 14.9% | 16.8% | 10.8% |
| Widowed | 7.5% | 5.6% | 5.6% |
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| Household Size | 2.30 | 2.43 | 2.60 |
| Households | 25,548 | 21,051 | 124,010,992 |
| Family Households | 14,681 | 12,121 | 80,755,759 |
| Married couple, w/children | 23.6% | 25.2% | 30.5% |
| Married couple, no children | 48.7% | 36.6% | 42.9% |
| Non Family Households | 10,867 | 8,930 | 43,255,233 |
| Single householder, w/children | 19.3% | 25.4% | 15.8% |
| Single householder, no children | 8.4% | 12.8% | 10.8% |