| | Arvin, CA | Richmond, CA | United States |
| Population | 19,568 | 115,677 | 329,725,481 |
| Female Population | 50.9% | 51.0% | 50.5% |
| Male Population | 49.1% | 49.0% | 49.5% |
| Median Age | 25.3 | 36.7 | 38.4 |
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| Population - 2010 | 19,374 | 103,666 | 309,327,143 |
| Population - 2000 | 12,956 | 99,216 | 285,036,114 |
| Population - 1990 | 9,286 | 87,425 | 251,960,433 |
| Pop. 2000 to Now | 67.9% | 10.9% | 15.6% |
| Pop. 1990 to Now | 134.3% | 25.9% | 30.8% |
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| Population Density | 4,060.6 | 3,848.7 | 93.4 |
| Land Area | 4.8 | 30.1 | 3,531,905.4 |
| Water Area | 0.0 | 22.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Arvin, CA | Richmond, CA | United States |
| Age 0 to 4 | 11.1% | 5.9% | 5.9% |
| Age 5 to 9 | 9.8% | 6.2% | 6.1% |
| Age 10 to 14 | 10.7% | 5.9% | 6.6% |
| Age 15 to 17 | 4.9% | 3.6% | 3.9% |
| Age 18 to 20 | 5.8% | 3.5% | 4.0% |
| Age 21 to 24 | 7.4% | 6.0% | 5.2% |
| Age 25 to 34 | 14.6% | 16.6% | 13.8% |
| Age 35 to 44 | 12.4% | 13.5% | 12.9% |
| Age 45 to 54 | 10.6% | 13.9% | 12.6% |
| Age 55 to 59 | 3.5% | 5.3% | 6.7% |
| Age 60 to 64 | 3.3% | 5.9% | 6.3% |
| Age 65 to 74 | 3.8% | 9.1% | 9.6% |
| Age 75 to 84 | 1.4% | 3.1% | 4.5% |
| Age 85 and over | 0.8% | 1.4% | 1.9% |
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| Race | | | |
| | Arvin, CA | Richmond, CA | United States |
| White | 2.5% | 18.2% | 59.4% |
| Black | 0.5% | 18.0% | 12.2% |
| Asian | 1.0% | 14.2% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.3% | 0.2% |
| Other | 0.2% | 0.6% | 0.4% |
| Two or More Races | 0.0% | 4.6% | 3.2% |
| Hispanic | 95.7% | 43.8% | 18.4% |
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| Marriage & Family | | | |
| | Arvin, CA | Richmond, CA | United States |
| Married Population | 51.2% | 45.6% | 49.8% |
| Currently Married | 48.8% | 43.9% | 48.0% |
| Married but Separated | 2.5% | 1.7% | 1.8% |
| Single Population | 48.8% | 54.4% | 50.2% |
| Never Married | 44.3% | 40.5% | 33.8% |
| Divorced | 1.9% | 10.2% | 10.8% |
| Widowed | 2.7% | 3.7% | 5.6% |
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| Household Size | 4.38 | 2.90 | 2.60 |
| Households | 4,444 | 39,493 | 124,010,992 |
| Family Households | 4,042 | 26,770 | 80,755,759 |
| Married couple, w/children | 46.7% | 31.5% | 30.5% |
| Married couple, no children | 23.6% | 33.4% | 42.9% |
| Non Family Households | 402 | 12,723 | 43,255,233 |
| Single householder, w/children | 22.7% | 21.1% | 15.8% |
| Single householder, no children | 7.0% | 14.0% | 10.8% |