| | Alva, OK | Los Angeles, CA | United States |
| Population | 5,056 | 3,902,440 | 329,725,481 |
| Female Population | 49.0% | 50.2% | 50.5% |
| Male Population | 51.0% | 49.8% | 49.5% |
| Median Age | 29.6 | 36.2 | 38.4 |
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| Population - 2010 | 5,046 | 3,795,206 | 309,327,143 |
| Population - 2000 | 5,288 | 3,694,820 | 285,036,114 |
| Population - 1990 | 5,495 | 3,485,398 | 251,960,433 |
| Pop. 2000 to Now | -7.7% | 7.5% | 15.6% |
| Pop. 1990 to Now | -11.2% | 13.9% | 30.8% |
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| Population Density | 790.3 | 8,326.8 | 93.4 |
| Land Area | 6.4 | 468.7 | 3,531,905.4 |
| Water Area | 0.0 | 34.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Alva, OK | Los Angeles, CA | United States |
| Age 0 to 4 | 4.7% | 5.5% | 5.9% |
| Age 5 to 9 | 6.0% | 5.6% | 6.1% |
| Age 10 to 14 | 7.5% | 5.8% | 6.6% |
| Age 15 to 17 | 3.6% | 3.4% | 3.9% |
| Age 18 to 20 | 8.5% | 4.0% | 4.0% |
| Age 21 to 24 | 11.8% | 5.8% | 5.2% |
| Age 25 to 34 | 14.7% | 17.9% | 13.8% |
| Age 35 to 44 | 10.9% | 14.6% | 12.9% |
| Age 45 to 54 | 6.1% | 13.1% | 12.6% |
| Age 55 to 59 | 4.3% | 6.1% | 6.7% |
| Age 60 to 64 | 6.7% | 5.4% | 6.3% |
| Age 65 to 74 | 7.7% | 7.6% | 9.6% |
| Age 75 to 84 | 4.6% | 3.5% | 4.5% |
| Age 85 and over | 3.1% | 1.8% | 1.9% |
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| Race | | | |
| | Alva, OK | Los Angeles, CA | United States |
| White | 81.6% | 28.1% | 59.4% |
| Black | 3.6% | 8.3% | 12.2% |
| Asian | 0.5% | 11.6% | 5.6% |
| Native American | 1.3% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.4% | 0.5% | 0.4% |
| Two or More Races | 3.3% | 2.9% | 3.2% |
| Hispanic | 9.4% | 48.4% | 18.4% |
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| Marriage & Family | | | |
| | Alva, OK | Los Angeles, CA | United States |
| Married Population | 44.5% | 41.4% | 49.8% |
| Currently Married | 42.9% | 38.9% | 48.0% |
| Married but Separated | 1.6% | 2.5% | 1.8% |
| Single Population | 55.5% | 58.6% | 50.2% |
| Never Married | 41.6% | 46.1% | 33.8% |
| Divorced | 7.5% | 8.1% | 10.8% |
| Widowed | 6.4% | 4.4% | 5.6% |
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| Household Size | 2.33 | 2.75 | 2.60 |
| Households | 2,009 | 1,384,851 | 124,010,992 |
| Family Households | 1,046 | 817,340 | 80,755,759 |
| Married couple, w/children | 25.3% | 29.5% | 30.5% |
| Married couple, no children | 53.5% | 35.5% | 42.9% |
| Non Family Households | 963 | 567,511 | 43,255,233 |
| Single householder, w/children | 14.7% | 18.1% | 15.8% |
| Single householder, no children | 6.4% | 16.8% | 10.8% |