| | Barnesville, MN | Hawley, MN | United States |
| Population | 2,757 | 2,157 | 329,725,481 |
| Female Population | 52.5% | 53.4% | 50.5% |
| Male Population | 47.5% | 46.6% | 49.5% |
| Median Age | 32.8 | 34.3 | 38.4 |
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| Population - 2010 | 2,565 | 2,068 | 309,327,143 |
| Population - 2000 | 2,173 | 1,882 | 285,036,114 |
| Population - 1990 | 2,066 | 1,655 | 251,960,433 |
| Pop. 2000 to Now | 20.7% | 17.4% | 15.6% |
| Pop. 1990 to Now | 26.9% | 33.5% | 30.8% |
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| Population Density | 1,333.8 | 878.3 | 93.4 |
| Land Area | 2.1 | 2.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Barnesville, MN | Hawley, MN | United States |
| Age 0 to 4 | 4.8% | 11.9% | 5.9% |
| Age 5 to 9 | 12.6% | 9.7% | 6.1% |
| Age 10 to 14 | 8.4% | 7.7% | 6.6% |
| Age 15 to 17 | 5.0% | 1.7% | 3.9% |
| Age 18 to 20 | 2.4% | 1.4% | 4.0% |
| Age 21 to 24 | 6.5% | 1.9% | 5.2% |
| Age 25 to 34 | 12.8% | 16.3% | 13.8% |
| Age 35 to 44 | 15.6% | 13.8% | 12.9% |
| Age 45 to 54 | 10.5% | 7.4% | 12.6% |
| Age 55 to 59 | 5.4% | 5.2% | 6.7% |
| Age 60 to 64 | 3.6% | 12.1% | 6.3% |
| Age 65 to 74 | 4.4% | 4.3% | 9.6% |
| Age 75 to 84 | 5.6% | 3.8% | 4.5% |
| Age 85 and over | 2.5% | 2.8% | 1.9% |
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| Race | | | |
| | Barnesville, MN | Hawley, MN | United States |
| White | 90.9% | 93.1% | 59.4% |
| Black | 0.1% | 1.7% | 12.2% |
| Asian | 2.7% | 0.0% | 5.6% |
| Native American | 1.6% | 2.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.3% | 0.0% | 3.2% |
| Hispanic | 4.2% | 2.6% | 18.4% |
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| Marriage & Family | | | |
| | Barnesville, MN | Hawley, MN | United States |
| Married Population | 52.6% | 61.0% | 49.8% |
| Currently Married | 52.4% | 59.8% | 48.0% |
| Married but Separated | 0.2% | 1.2% | 1.8% |
| Single Population | 47.4% | 39.0% | 50.2% |
| Never Married | 27.7% | 22.9% | 33.8% |
| Divorced | 12.8% | 11.1% | 10.8% |
| Widowed | 6.9% | 5.0% | 5.6% |
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| Household Size | 2.67 | 2.59 | 2.60 |
| Households | 1,020 | 833 | 124,010,992 |
| Family Households | 676 | 594 | 80,755,759 |
| Married couple, w/children | 45.0% | 35.4% | 30.5% |
| Married couple, no children | 31.1% | 39.7% | 42.9% |
| Non Family Households | 344 | 239 | 43,255,233 |
| Single householder, w/children | 18.2% | 23.4% | 15.8% |
| Single householder, no children | 5.8% | 1.5% | 10.8% |