| | Mohall, ND | Flaxton, ND | United States |
| Population | 608 | 115 | 329,725,481 |
| Female Population | 53.6% | 42.6% | 50.5% |
| Male Population | 46.4% | 57.4% | 49.5% |
| Median Age | 48.3 | 33.2 | 38.4 |
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| Population - 2010 | 787 | 66 | 309,327,143 |
| Population - 2000 | 812 | 73 | 285,036,114 |
| Population - 1990 | 931 | 121 | 251,960,433 |
| Pop. 2000 to Now | -12.7% | -12.3% | 15.6% |
| Pop. 1990 to Now | -23.9% | -47.1% | 30.8% |
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| Population Density | 572.0 | 406.4 | 93.4 |
| Land Area | 1.1 | 0.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Mohall, ND | Flaxton, ND | United States |
| Age 0 to 4 | 3.6% | 3.5% | 5.9% |
| Age 5 to 9 | 4.1% | 7.0% | 6.1% |
| Age 10 to 14 | 7.6% | 16.5% | 6.6% |
| Age 15 to 17 | 5.9% | 17.4% | 3.9% |
| Age 18 to 20 | 3.1% | 0.0% | 4.0% |
| Age 21 to 24 | 1.2% | 0.0% | 5.2% |
| Age 25 to 34 | 9.5% | 7.8% | 13.8% |
| Age 35 to 44 | 9.5% | 4.3% | 12.9% |
| Age 45 to 54 | 9.5% | 15.7% | 12.6% |
| Age 55 to 59 | 14.6% | 13.9% | 6.7% |
| Age 60 to 64 | 5.4% | 6.1% | 6.3% |
| Age 65 to 74 | 13.0% | 1.7% | 9.6% |
| Age 75 to 84 | 6.1% | 6.1% | 4.5% |
| Age 85 and over | 6.7% | 0.0% | 1.9% |
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| Race | | | |
| | Mohall, ND | Flaxton, ND | United States |
| White | 95.1% | 96.5% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 3.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.7% | 0.0% | 3.2% |
| Hispanic | 4.3% | 0.0% | 18.4% |
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| Marriage & Family | | | |
| | Mohall, ND | Flaxton, ND | United States |
| Married Population | 43.7% | 38.1% | 49.8% |
| Currently Married | 43.3% | 38.1% | 48.0% |
| Married but Separated | 0.4% | 0.0% | 1.8% |
| Single Population | 56.3% | 61.9% | 50.2% |
| Never Married | 32.4% | 31.0% | 33.8% |
| Divorced | 15.5% | 21.4% | 10.8% |
| Widowed | 8.4% | 9.5% | 5.6% |
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| Household Size | 2.44 | 3.59 | 2.60 |
| Households | 231 | 32 | 124,010,992 |
| Family Households | 154 | 21 | 80,755,759 |
| Married couple, w/children | 20.8% | 47.6% | 30.5% |
| Married couple, no children | 46.8% | 14.3% | 42.9% |
| Non Family Households | 77 | 11 | 43,255,233 |
| Single householder, w/children | 20.8% | 33.3% | 15.8% |
| Single householder, no children | 11.7% | 4.8% | 10.8% |