| | Campo, CA | Boulevard, CA | United States |
| Population | 3,597 | 410 | 329,725,481 |
| Female Population | 37.3% | 48.1% | 50.5% |
| Male Population | 62.8% | 52.0% | 49.5% |
| Median Age | 31.6 | 66.9 | 38.4 |
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| Population - 2010 | 2,960 | 31 | 309,327,143 |
| Population - 2000 | 2,217 | 279 | 285,036,114 |
| Population - 1990 | 1,972 | 199 | 251,960,433 |
| Pop. 2000 to Now | 36.1% | 59.9% | 15.6% |
| Pop. 1990 to Now | 53.0% | 124.1% | 30.8% |
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| Population Density | 153.1 | 105.0 | 93.4 |
| Land Area | 23.5 | 3.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Campo, CA | Boulevard, CA | United States |
| Age 0 to 4 | 9.6% | 0.0% | 5.9% |
| Age 5 to 9 | 3.5% | 0.0% | 6.1% |
| Age 10 to 14 | 12.3% | 0.0% | 6.6% |
| Age 15 to 17 | 9.3% | 0.0% | 3.9% |
| Age 18 to 20 | 3.6% | 0.0% | 4.0% |
| Age 21 to 24 | 3.8% | 0.0% | 5.2% |
| Age 25 to 34 | 11.5% | 0.0% | 13.8% |
| Age 35 to 44 | 7.0% | 3.7% | 12.9% |
| Age 45 to 54 | 8.3% | 14.9% | 12.6% |
| Age 55 to 59 | 12.3% | 16.8% | 6.7% |
| Age 60 to 64 | 3.9% | 0.0% | 6.3% |
| Age 65 to 74 | 11.5% | 64.6% | 9.6% |
| Age 75 to 84 | 1.3% | 0.0% | 4.5% |
| Age 85 and over | 2.2% | 0.0% | 1.9% |
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| Race | | | |
| | Campo, CA | Boulevard, CA | United States |
| White | 60.4% | 100.0% | 59.4% |
| Black | 2.5% | 0.0% | 12.2% |
| Asian | 0.2% | 0.0% | 5.6% |
| Native American | 0.4% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.3% | 0.0% | 3.2% |
| Hispanic | 35.2% | 0.0% | 18.4% |
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| Marriage & Family | | | |
| | Campo, CA | Boulevard, CA | United States |
| Married Population | 47.4% | 62.9% | 49.8% |
| Currently Married | 45.6% | 62.9% | 48.0% |
| Married but Separated | 1.8% | 0.0% | 1.8% |
| Single Population | 52.6% | 37.1% | 50.2% |
| Never Married | 33.8% | 0.0% | 33.8% |
| Divorced | 10.8% | 37.1% | 10.8% |
| Widowed | 8.0% | 0.0% | 5.6% |
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| Household Size | 3.40 | 1.92 | 2.60 |
| Households | 947 | 214 | 124,010,992 |
| Family Households | 736 | 131 | 80,755,759 |
| Married couple, w/children | 31.9% | 0.0% | 30.5% |
| Married couple, no children | 39.5% | 100.0% | 42.9% |
| Non Family Households | 211 | 83 | 43,255,233 |
| Single householder, w/children | 8.8% | 0.0% | 15.8% |
| Single householder, no children | 19.7% | 0.0% | 10.8% |