| | Santa Ynez, CA | Santa Barbara, CA | United States |
| Population | 4,679 | 89,132 | 329,725,481 |
| Female Population | 48.5% | 50.4% | 50.5% |
| Male Population | 51.6% | 49.6% | 49.5% |
| Median Age | 50.1 | 39.1 | 38.4 |
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| Population - 2010 | 4,862 | 88,544 | 309,327,143 |
| Population - 2000 | 4,584 | 92,325 | 285,036,114 |
| Population - 1990 | 4,200 | 85,571 | 251,960,433 |
| Pop. 2000 to Now | -3.9% | -2.2% | 15.6% |
| Pop. 1990 to Now | 4.9% | 5.5% | 30.8% |
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| Population Density | 911.0 | 4,570.4 | 93.4 |
| Land Area | 5.1 | 19.5 | 3,531,905.4 |
| Water Area | 0.0 | 22.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Santa Ynez, CA | Santa Barbara, CA | United States |
| Age 0 to 4 | 0.5% | 4.8% | 5.9% |
| Age 5 to 9 | 6.2% | 4.3% | 6.1% |
| Age 10 to 14 | 8.6% | 4.8% | 6.6% |
| Age 15 to 17 | 3.5% | 2.9% | 3.9% |
| Age 18 to 20 | 5.6% | 4.9% | 4.0% |
| Age 21 to 24 | 3.5% | 6.9% | 5.2% |
| Age 25 to 34 | 5.9% | 16.5% | 13.8% |
| Age 35 to 44 | 11.8% | 11.2% | 12.9% |
| Age 45 to 54 | 15.2% | 11.5% | 12.6% |
| Age 55 to 59 | 6.2% | 6.5% | 6.7% |
| Age 60 to 64 | 10.2% | 6.8% | 6.3% |
| Age 65 to 74 | 13.2% | 11.1% | 9.6% |
| Age 75 to 84 | 7.3% | 4.7% | 4.5% |
| Age 85 and over | 2.3% | 3.2% | 1.9% |
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| Race | | | |
| | Santa Ynez, CA | Santa Barbara, CA | United States |
| White | 69.8% | 55.5% | 59.4% |
| Black | 0.4% | 1.5% | 12.2% |
| Asian | 1.9% | 3.6% | 5.6% |
| Native American | 5.4% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.6% | 0.4% |
| Two or More Races | 1.9% | 2.3% | 3.2% |
| Hispanic | 20.6% | 36.2% | 18.4% |
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| Marriage & Family | | | |
| | Santa Ynez, CA | Santa Barbara, CA | United States |
| Married Population | 58.0% | 43.1% | 49.8% |
| Currently Married | 58.0% | 41.0% | 48.0% |
| Married but Separated | 0.0% | 2.0% | 1.8% |
| Single Population | 42.0% | 56.9% | 50.2% |
| Never Married | 26.1% | 41.2% | 33.8% |
| Divorced | 9.8% | 11.1% | 10.8% |
| Widowed | 6.1% | 4.7% | 5.6% |
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| Household Size | 2.59 | 2.38 | 2.60 |
| Households | 1,806 | 36,932 | 124,010,992 |
| Family Households | 1,227 | 19,546 | 80,755,759 |
| Married couple, w/children | 31.4% | 24.6% | 30.5% |
| Married couple, no children | 53.6% | 48.6% | 42.9% |
| Non Family Households | 579 | 17,386 | 43,255,233 |
| Single householder, w/children | 8.8% | 16.2% | 15.8% |
| Single householder, no children | 6.2% | 10.7% | 10.8% |