| | Dawson, MN | Clark, SD | United States |
| Population | 1,440 | 1,152 | 329,725,481 |
| Female Population | 49.5% | 52.0% | 50.5% |
| Male Population | 50.5% | 48.0% | 49.5% |
| Median Age | 44.5 | 50.3 | 38.4 |
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| Population - 2010 | 1,544 | 1,140 | 309,327,143 |
| Population - 2000 | 1,539 | 1,285 | 285,036,114 |
| Population - 1990 | 1,626 | 1,292 | 251,960,433 |
| Pop. 2000 to Now | -10.5% | -16.1% | 15.6% |
| Pop. 1990 to Now | -15.3% | -16.6% | 30.8% |
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| Population Density | 1,007.7 | 889.6 | 93.4 |
| Land Area | 1.4 | 1.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Dawson, MN | Clark, SD | United States |
| Age 0 to 4 | 4.0% | 4.9% | 5.9% |
| Age 5 to 9 | 6.5% | 3.1% | 6.1% |
| Age 10 to 14 | 5.1% | 6.8% | 6.6% |
| Age 15 to 17 | 4.0% | 1.2% | 3.9% |
| Age 18 to 20 | 2.2% | 4.1% | 4.0% |
| Age 21 to 24 | 7.8% | 5.1% | 5.2% |
| Age 25 to 34 | 7.0% | 11.6% | 13.8% |
| Age 35 to 44 | 14.0% | 6.6% | 12.9% |
| Age 45 to 54 | 7.4% | 9.2% | 12.6% |
| Age 55 to 59 | 5.1% | 6.4% | 6.7% |
| Age 60 to 64 | 9.7% | 9.6% | 6.3% |
| Age 65 to 74 | 12.9% | 14.8% | 9.6% |
| Age 75 to 84 | 8.7% | 6.5% | 4.5% |
| Age 85 and over | 5.6% | 10.0% | 1.9% |
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| Race | | | |
| | Dawson, MN | Clark, SD | United States |
| White | 91.3% | 90.5% | 59.4% |
| Black | 1.9% | 0.2% | 12.2% |
| Asian | 0.7% | 0.3% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 4.4% | 3.1% | 3.2% |
| Hispanic | 1.8% | 5.2% | 18.4% |
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| Marriage & Family | | | |
| | Dawson, MN | Clark, SD | United States |
| Married Population | 52.3% | 44.7% | 49.8% |
| Currently Married | 52.1% | 44.7% | 48.0% |
| Married but Separated | 0.2% | 0.0% | 1.8% |
| Single Population | 47.7% | 55.3% | 50.2% |
| Never Married | 27.4% | 26.6% | 33.8% |
| Divorced | 11.3% | 17.2% | 10.8% |
| Widowed | 9.0% | 11.5% | 5.6% |
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| Household Size | 2.30 | 2.16 | 2.60 |
| Households | 601 | 504 | 124,010,992 |
| Family Households | 361 | 262 | 80,755,759 |
| Married couple, w/children | 30.5% | 22.1% | 30.5% |
| Married couple, no children | 53.2% | 60.3% | 42.9% |
| Non Family Households | 240 | 242 | 43,255,233 |
| Single householder, w/children | 13.0% | 14.1% | 15.8% |
| Single householder, no children | 3.3% | 3.4% | 10.8% |