| | Mayer, MN | Los Alamitos, CA | United States |
| Population | 2,405 | 11,780 | 329,725,481 |
| Female Population | 49.9% | 52.2% | 50.5% |
| Male Population | 50.1% | 47.8% | 49.5% |
| Median Age | 33.6 | 38.8 | 38.4 |
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| Population - 2010 | 1,752 | 11,357 | 309,327,143 |
| Population - 2000 | 554 | 11,536 | 285,036,114 |
| Population - 1990 | 471 | 11,676 | 251,960,433 |
| Pop. 2000 to Now | 318.8% | -1.3% | 15.6% |
| Pop. 1990 to Now | 392.6% | -2.5% | 30.8% |
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| Population Density | 1,726.5 | 2,928.2 | 93.4 |
| Land Area | 1.4 | 4.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Mayer, MN | Los Alamitos, CA | United States |
| Age 0 to 4 | 8.6% | 4.5% | 5.9% |
| Age 5 to 9 | 9.0% | 8.3% | 6.1% |
| Age 10 to 14 | 8.6% | 7.2% | 6.6% |
| Age 15 to 17 | 3.0% | 3.9% | 3.9% |
| Age 18 to 20 | 4.0% | 2.3% | 4.0% |
| Age 21 to 24 | 2.9% | 4.8% | 5.2% |
| Age 25 to 34 | 16.5% | 14.3% | 13.8% |
| Age 35 to 44 | 22.5% | 13.5% | 12.9% |
| Age 45 to 54 | 10.5% | 12.9% | 12.6% |
| Age 55 to 59 | 4.9% | 7.3% | 6.7% |
| Age 60 to 64 | 3.3% | 7.0% | 6.3% |
| Age 65 to 74 | 4.1% | 7.6% | 9.6% |
| Age 75 to 84 | 1.7% | 3.4% | 4.5% |
| Age 85 and over | 0.4% | 3.2% | 1.9% |
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| Race | | | |
| | Mayer, MN | Los Alamitos, CA | United States |
| White | 91.9% | 47.9% | 59.4% |
| Black | 0.7% | 3.8% | 12.2% |
| Asian | 0.7% | 12.0% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.4% | 0.2% |
| Other | 0.1% | 0.2% | 0.4% |
| Two or More Races | 2.6% | 4.7% | 3.2% |
| Hispanic | 4.0% | 31.0% | 18.4% |
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| Marriage & Family | | | |
| | Mayer, MN | Los Alamitos, CA | United States |
| Married Population | 70.3% | 47.3% | 49.8% |
| Currently Married | 70.3% | 45.0% | 48.0% |
| Married but Separated | 0.0% | 2.3% | 1.8% |
| Single Population | 29.7% | 52.7% | 50.2% |
| Never Married | 24.0% | 34.7% | 33.8% |
| Divorced | 4.3% | 11.1% | 10.8% |
| Widowed | 1.5% | 6.9% | 5.6% |
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| Household Size | 2.90 | 2.79 | 2.60 |
| Households | 826 | 4,165 | 124,010,992 |
| Family Households | 703 | 2,922 | 80,755,759 |
| Married couple, w/children | 46.7% | 31.0% | 30.5% |
| Married couple, no children | 41.1% | 32.0% | 42.9% |
| Non Family Households | 123 | 1,243 | 43,255,233 |
| Single householder, w/children | 11.2% | 20.3% | 15.8% |
| Single householder, no children | 1.0% | 16.6% | 10.8% |