| Simi Valley, CA | Sebastopol, CA | United States |
Population | 126,809 | 7,563 | 329,725,481 |
Female Population | 51.0% | 53.8% | 50.5% |
Male Population | 49.1% | 46.3% | 49.5% |
Median Age | 41 | 49.1 | 38.4 |
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Population - 2010 | 124,424 | 7,474 | 309,327,143 |
Population - 2000 | 111,351 | 7,774 | 285,036,114 |
Population - 1990 | 100,217 | 7,004 | 251,960,433 |
Pop. 2000 to Now | 12.4% | -2.3% | 15.6% |
Pop. 1990 to Now | 24.9% | 8.4% | 30.8% |
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Population Density | 3,054.0 | 4,066.1 | 93.4 |
Land Area | 41.5 | 1.9 | 3,531,905.4 |
Water Area | 0.7 | 0.0 | 264,836.8 |
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Est. Total Population By Age | | | |
| Simi Valley, CA | Sebastopol, CA | United States |
Age 0 to 4 | 5.2% | 3.4% | 5.9% |
Age 5 to 9 | 4.8% | 4.0% | 6.1% |
Age 10 to 14 | 6.6% | 5.5% | 6.6% |
Age 15 to 17 | 4.2% | 2.3% | 3.9% |
Age 18 to 20 | 3.8% | 2.9% | 4.0% |
Age 21 to 24 | 4.6% | 5.4% | 5.2% |
Age 25 to 34 | 13.3% | 12.3% | 13.8% |
Age 35 to 44 | 12.5% | 9.6% | 12.9% |
Age 45 to 54 | 14.8% | 13.3% | 12.6% |
Age 55 to 59 | 7.7% | 7.1% | 6.7% |
Age 60 to 64 | 6.7% | 9.4% | 6.3% |
Age 65 to 74 | 9.2% | 17.8% | 9.6% |
Age 75 to 84 | 4.5% | 4.5% | 4.5% |
Age 85 and over | 2.0% | 2.5% | 1.9% |
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Race | | | |
| Simi Valley, CA | Sebastopol, CA | United States |
White | 57.6% | 72.0% | 59.4% |
Black | 1.3% | 2.3% | 12.2% |
Asian | 11.1% | 4.4% | 5.6% |
Native American | 0.1% | 0.0% | 0.6% |
Hawaiian, Pacific Islander | 0.1% | 0.2% | 0.2% |
Other | 0.1% | 0.0% | 0.4% |
Two or More Races | 3.8% | 6.4% | 3.2% |
Hispanic | 25.8% | 14.7% | 18.4% |
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Marriage & Family | | | |
| Simi Valley, CA | Sebastopol, CA | United States |
Married Population | 50.5% | 49.7% | 49.8% |
Currently Married | 49.1% | 48.7% | 48.0% |
Married but Separated | 1.4% | 1.0% | 1.8% |
Single Population | 49.5% | 50.3% | 50.2% |
Never Married | 33.6% | 29.1% | 33.8% |
Divorced | 10.1% | 17.0% | 10.8% |
Widowed | 5.9% | 4.3% | 5.6% |
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Household Size | 2.87 | 2.32 | 2.60 |
Households | 43,893 | 3,221 | 124,010,992 |
Family Households | 30,965 | 1,927 | 80,755,759 |
Married couple, w/children | 32.3% | 30.6% | 30.5% |
Married couple, no children | 43.9% | 46.1% | 42.9% |
Non Family Households | 12,928 | 1,294 | 43,255,233 |
Single householder, w/children | 10.9% | 8.1% | 15.8% |
Single householder, no children | 12.8% | 15.2% | 10.8% |