| | Isla Vista, CA | New Orleans, LA | United States |
| Population | 15,732 | 383,974 | 329,725,481 |
| Female Population | 51.0% | 52.5% | 50.5% |
| Male Population | 49.0% | 47.5% | 49.5% |
| Median Age | 21.1 | 37.7 | 38.4 |
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| Population - 2010 | 23,776 | 347,789 | 309,327,143 |
| Population - 2000 | 18,344 | 484,674 | 285,036,114 |
| Population - 1990 | 20,395 | 496,938 | 251,960,433 |
| Pop. 2000 to Now | 50.8% | -19.6% | 15.6% |
| Pop. 1990 to Now | 35.6% | -21.6% | 30.8% |
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| Population Density | 8,503.8 | 2,266.3 | 93.4 |
| Land Area | 1.9 | 169.4 | 3,531,905.4 |
| Water Area | 0.1 | 180.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Isla Vista, CA | New Orleans, LA | United States |
| Age 0 to 4 | 0.2% | 5.7% | 5.9% |
| Age 5 to 9 | 0.5% | 5.4% | 6.1% |
| Age 10 to 14 | 0.9% | 5.7% | 6.6% |
| Age 15 to 17 | 0.9% | 3.2% | 3.9% |
| Age 18 to 20 | 44.6% | 4.0% | 4.0% |
| Age 21 to 24 | 41.1% | 4.4% | 5.2% |
| Age 25 to 34 | 6.3% | 17.1% | 13.8% |
| Age 35 to 44 | 1.4% | 14.2% | 12.9% |
| Age 45 to 54 | 1.3% | 11.9% | 12.6% |
| Age 55 to 59 | 0.7% | 6.6% | 6.7% |
| Age 60 to 64 | 0.3% | 6.6% | 6.3% |
| Age 65 to 74 | 1.3% | 9.7% | 9.6% |
| Age 75 to 84 | 0.4% | 3.8% | 4.5% |
| Age 85 and over | 0.2% | 1.7% | 1.9% |
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| Race | | | |
| | Isla Vista, CA | New Orleans, LA | United States |
| White | 52.8% | 30.6% | 59.4% |
| Black | 5.3% | 57.6% | 12.2% |
| Asian | 14.9% | 2.7% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.8% | 0.4% |
| Two or More Races | 3.3% | 2.6% | 3.2% |
| Hispanic | 23.3% | 5.6% | 18.4% |
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| Marriage & Family | | | |
| | Isla Vista, CA | New Orleans, LA | United States |
| Married Population | 4.4% | 32.0% | 49.8% |
| Currently Married | 4.2% | 29.4% | 48.0% |
| Married but Separated | 0.1% | 2.6% | 1.8% |
| Single Population | 95.6% | 68.0% | 50.2% |
| Never Married | 94.0% | 49.7% | 33.8% |
| Divorced | 1.2% | 12.8% | 10.8% |
| Widowed | 0.5% | 5.5% | 5.6% |
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| Household Size | 3.11 | 2.37 | 2.60 |
| Households | 4,571 | 156,586 | 124,010,992 |
| Family Households | 392 | 71,845 | 80,755,759 |
| Married couple, w/children | 32.4% | 19.8% | 30.5% |
| Married couple, no children | 34.2% | 37.4% | 42.9% |
| Non Family Households | 4,179 | 84,741 | 43,255,233 |
| Single householder, w/children | 17.9% | 26.1% | 15.8% |
| Single householder, no children | 15.6% | 16.8% | 10.8% |