| | Kasson, MN | Oakdale, MN | United States |
| Population | 6,772 | 28,019 | 329,725,481 |
| Female Population | 50.6% | 52.4% | 50.5% |
| Male Population | 49.5% | 47.6% | 49.5% |
| Median Age | 34.4 | 41.9 | 38.4 |
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| Population - 2010 | 6,009 | 27,427 | 309,327,143 |
| Population - 2000 | 4,398 | 26,653 | 285,036,114 |
| Population - 1990 | 3,514 | 18,374 | 251,960,433 |
| Pop. 2000 to Now | 48.5% | 4.2% | 15.6% |
| Pop. 1990 to Now | 85.8% | 51.2% | 30.8% |
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| Population Density | 2,250.6 | 2,556.5 | 93.4 |
| Land Area | 3.0 | 11.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Kasson, MN | Oakdale, MN | United States |
| Age 0 to 4 | 10.5% | 5.6% | 5.9% |
| Age 5 to 9 | 5.1% | 5.7% | 6.1% |
| Age 10 to 14 | 8.0% | 6.5% | 6.6% |
| Age 15 to 17 | 5.1% | 3.0% | 3.9% |
| Age 18 to 20 | 4.2% | 4.6% | 4.0% |
| Age 21 to 24 | 4.0% | 4.3% | 5.2% |
| Age 25 to 34 | 14.5% | 14.6% | 13.8% |
| Age 35 to 44 | 13.9% | 8.6% | 12.9% |
| Age 45 to 54 | 13.6% | 13.1% | 12.6% |
| Age 55 to 59 | 3.6% | 9.4% | 6.7% |
| Age 60 to 64 | 4.6% | 7.7% | 6.3% |
| Age 65 to 74 | 7.5% | 10.4% | 9.6% |
| Age 75 to 84 | 4.1% | 4.4% | 4.5% |
| Age 85 and over | 1.4% | 2.0% | 1.9% |
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| Race | | | |
| | Kasson, MN | Oakdale, MN | United States |
| White | 94.3% | 66.3% | 59.4% |
| Black | 0.0% | 12.7% | 12.2% |
| Asian | 0.0% | 10.9% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.3% | 0.4% |
| Two or More Races | 1.0% | 5.0% | 3.2% |
| Hispanic | 4.2% | 4.5% | 18.4% |
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| Marriage & Family | | | |
| | Kasson, MN | Oakdale, MN | United States |
| Married Population | 65.1% | 49.3% | 49.8% |
| Currently Married | 64.3% | 48.4% | 48.0% |
| Married but Separated | 0.8% | 0.9% | 1.8% |
| Single Population | 34.9% | 50.7% | 50.2% |
| Never Married | 25.6% | 33.5% | 33.8% |
| Divorced | 6.2% | 12.7% | 10.8% |
| Widowed | 3.1% | 4.5% | 5.6% |
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| Household Size | 2.74 | 2.46 | 2.60 |
| Households | 2,461 | 11,337 | 124,010,992 |
| Family Households | 1,881 | 7,556 | 80,755,759 |
| Married couple, w/children | 45.2% | 25.9% | 30.5% |
| Married couple, no children | 39.1% | 44.7% | 42.9% |
| Non Family Households | 580 | 3,781 | 43,255,233 |
| Single householder, w/children | 13.6% | 20.6% | 15.8% |
| Single householder, no children | 2.1% | 8.7% | 10.8% |