| | Waseca, MN | Alexandria, MN | United States |
| Population | 9,237 | 14,030 | 329,725,481 |
| Female Population | 56.2% | 50.9% | 50.5% |
| Male Population | 43.9% | 49.1% | 49.5% |
| Median Age | 39.2 | 37.5 | 38.4 |
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| Population - 2010 | 9,418 | 12,502 | 309,327,143 |
| Population - 2000 | 8,493 | 8,820 | 285,036,114 |
| Population - 1990 | 8,385 | 7,838 | 251,960,433 |
| Pop. 2000 to Now | 4.0% | 57.4% | 15.6% |
| Pop. 1990 to Now | 5.4% | 77.2% | 30.8% |
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| Population Density | 2,324.9 | 815.3 | 93.4 |
| Land Area | 4.0 | 17.2 | 3,531,905.4 |
| Water Area | 1.2 | 0.7 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Waseca, MN | Alexandria, MN | United States |
| Age 0 to 4 | 6.4% | 5.3% | 5.9% |
| Age 5 to 9 | 7.2% | 6.2% | 6.1% |
| Age 10 to 14 | 6.5% | 6.2% | 6.6% |
| Age 15 to 17 | 4.0% | 2.6% | 3.9% |
| Age 18 to 20 | 2.2% | 4.9% | 4.0% |
| Age 21 to 24 | 4.1% | 6.3% | 5.2% |
| Age 25 to 34 | 14.1% | 14.8% | 13.8% |
| Age 35 to 44 | 15.5% | 10.0% | 12.9% |
| Age 45 to 54 | 11.7% | 10.1% | 12.6% |
| Age 55 to 59 | 4.9% | 6.2% | 6.7% |
| Age 60 to 64 | 7.0% | 6.2% | 6.3% |
| Age 65 to 74 | 9.3% | 8.1% | 9.6% |
| Age 75 to 84 | 5.0% | 7.5% | 4.5% |
| Age 85 and over | 2.2% | 5.5% | 1.9% |
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| Race | | | |
| | Waseca, MN | Alexandria, MN | United States |
| White | 83.1% | 91.0% | 59.4% |
| Black | 1.0% | 0.2% | 12.2% |
| Asian | 1.4% | 0.8% | 5.6% |
| Native American | 2.4% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.7% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.3% | 3.0% | 3.2% |
| Hispanic | 9.8% | 4.1% | 18.4% |
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| Marriage & Family | | | |
| | Waseca, MN | Alexandria, MN | United States |
| Married Population | 51.3% | 47.1% | 49.8% |
| Currently Married | 50.1% | 46.1% | 48.0% |
| Married but Separated | 1.2% | 1.0% | 1.8% |
| Single Population | 48.7% | 52.9% | 50.2% |
| Never Married | 31.0% | 32.1% | 33.8% |
| Divorced | 11.1% | 12.2% | 10.8% |
| Widowed | 6.6% | 8.5% | 5.6% |
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| Household Size | 2.35 | 2.00 | 2.60 |
| Households | 3,579 | 6,786 | 124,010,992 |
| Family Households | 2,268 | 3,562 | 80,755,759 |
| Married couple, w/children | 40.6% | 24.3% | 30.5% |
| Married couple, no children | 37.1% | 47.4% | 42.9% |
| Non Family Households | 1,311 | 3,224 | 43,255,233 |
| Single householder, w/children | 15.9% | 19.3% | 15.8% |
| Single householder, no children | 6.4% | 9.1% | 10.8% |