| | St. Louis Park, MN | Seal Beach, CA | United States |
| Population | 49,539 | 25,216 | 329,725,481 |
| Female Population | 51.6% | 55.2% | 50.5% |
| Male Population | 48.4% | 44.8% | 49.5% |
| Median Age | 35.6 | 59.3 | 38.4 |
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| Population - 2010 | 45,243 | 24,176 | 309,327,143 |
| Population - 2000 | 44,126 | 24,157 | 285,036,114 |
| Population - 1990 | 43,787 | 25,098 | 251,960,433 |
| Pop. 2000 to Now | 10.6% | -1.1% | 15.6% |
| Pop. 1990 to Now | 11.5% | -4.8% | 30.8% |
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| Population Density | 4,663.4 | 2,235.9 | 93.4 |
| Land Area | 10.6 | 11.3 | 3,531,905.4 |
| Water Area | 0.2 | 1.7 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | St. Louis Park, MN | Seal Beach, CA | United States |
| Age 0 to 4 | 5.7% | 3.0% | 5.9% |
| Age 5 to 9 | 5.4% | 3.5% | 6.1% |
| Age 10 to 14 | 4.1% | 4.0% | 6.6% |
| Age 15 to 17 | 2.2% | 2.8% | 3.9% |
| Age 18 to 20 | 1.3% | 1.8% | 4.0% |
| Age 21 to 24 | 5.2% | 1.7% | 5.2% |
| Age 25 to 34 | 25.0% | 7.9% | 13.8% |
| Age 35 to 44 | 13.7% | 8.7% | 12.9% |
| Age 45 to 54 | 9.7% | 10.5% | 12.6% |
| Age 55 to 59 | 5.3% | 7.2% | 6.7% |
| Age 60 to 64 | 5.9% | 7.2% | 6.3% |
| Age 65 to 74 | 8.9% | 19.7% | 9.6% |
| Age 75 to 84 | 4.3% | 14.0% | 4.5% |
| Age 85 and over | 3.3% | 7.9% | 1.9% |
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| Race | | | |
| | St. Louis Park, MN | Seal Beach, CA | United States |
| White | 79.0% | 69.9% | 59.4% |
| Black | 6.0% | 2.0% | 12.2% |
| Asian | 4.9% | 12.3% | 5.6% |
| Native American | 0.4% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.3% | 0.2% |
| Other | 0.8% | 0.2% | 0.4% |
| Two or More Races | 3.9% | 3.3% | 3.2% |
| Hispanic | 4.9% | 11.8% | 18.4% |
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| Marriage & Family | | | |
| | St. Louis Park, MN | Seal Beach, CA | United States |
| Married Population | 43.8% | 50.8% | 49.8% |
| Currently Married | 42.9% | 49.1% | 48.0% |
| Married but Separated | 0.9% | 1.7% | 1.8% |
| Single Population | 56.2% | 49.2% | 50.2% |
| Never Married | 41.3% | 23.1% | 33.8% |
| Divorced | 10.2% | 13.5% | 10.8% |
| Widowed | 4.8% | 12.7% | 5.6% |
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| Household Size | 2.03 | 1.91 | 2.60 |
| Households | 24,135 | 13,040 | 124,010,992 |
| Family Households | 10,727 | 6,139 | 80,755,759 |
| Married couple, w/children | 32.3% | 22.1% | 30.5% |
| Married couple, no children | 47.1% | 60.4% | 42.9% |
| Non Family Households | 13,408 | 6,901 | 43,255,233 |
| Single householder, w/children | 12.6% | 8.6% | 15.8% |
| Single householder, no children | 8.0% | 9.0% | 10.8% |