| | St. Paul, MN | Thousand Oaks, CA | United States |
| Population | 309,751 | 127,274 | 329,725,481 |
| Female Population | 50.9% | 50.8% | 50.5% |
| Male Population | 49.1% | 49.2% | 49.5% |
| Median Age | 32.7 | 44.4 | 38.4 |
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| Population - 2010 | 285,504 | 126,688 | 309,327,143 |
| Population - 2000 | 287,151 | 117,005 | 285,036,114 |
| Population - 1990 | 272,235 | 104,352 | 251,960,433 |
| Pop. 2000 to Now | 6.8% | 8.0% | 15.6% |
| Pop. 1990 to Now | 12.7% | 21.0% | 30.8% |
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| Population Density | 5,959.7 | 2,303.0 | 93.4 |
| Land Area | 52.0 | 55.3 | 3,531,905.4 |
| Water Area | 4.2 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | St. Paul, MN | Thousand Oaks, CA | United States |
| Age 0 to 4 | 6.7% | 5.1% | 5.9% |
| Age 5 to 9 | 6.9% | 5.6% | 6.1% |
| Age 10 to 14 | 7.1% | 6.6% | 6.6% |
| Age 15 to 17 | 3.9% | 3.7% | 3.9% |
| Age 18 to 20 | 4.5% | 3.8% | 4.0% |
| Age 21 to 24 | 6.4% | 4.7% | 5.2% |
| Age 25 to 34 | 18.2% | 9.9% | 13.8% |
| Age 35 to 44 | 13.5% | 11.2% | 12.9% |
| Age 45 to 54 | 10.9% | 14.8% | 12.6% |
| Age 55 to 59 | 5.8% | 8.1% | 6.7% |
| Age 60 to 64 | 4.9% | 7.1% | 6.3% |
| Age 65 to 74 | 7.3% | 11.0% | 9.6% |
| Age 75 to 84 | 2.6% | 5.3% | 4.5% |
| Age 85 and over | 1.2% | 3.1% | 1.9% |
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| Race | | | |
| | St. Paul, MN | Thousand Oaks, CA | United States |
| White | 51.0% | 64.9% | 59.4% |
| Black | 15.8% | 1.6% | 12.2% |
| Asian | 18.9% | 9.5% | 5.6% |
| Native American | 0.6% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.3% | 0.6% | 0.4% |
| Two or More Races | 4.7% | 3.8% | 3.2% |
| Hispanic | 8.7% | 19.4% | 18.4% |
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| Marriage & Family | | | |
| | St. Paul, MN | Thousand Oaks, CA | United States |
| Married Population | 40.1% | 54.8% | 49.8% |
| Currently Married | 38.6% | 53.9% | 48.0% |
| Married but Separated | 1.5% | 0.9% | 1.8% |
| Single Population | 59.9% | 45.2% | 50.2% |
| Never Married | 45.8% | 29.3% | 33.8% |
| Divorced | 10.6% | 9.8% | 10.8% |
| Widowed | 3.6% | 6.1% | 5.6% |
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| Household Size | 2.52 | 2.71 | 2.60 |
| Households | 119,505 | 46,270 | 124,010,992 |
| Family Households | 63,734 | 31,898 | 80,755,759 |
| Married couple, w/children | 32.0% | 33.2% | 30.5% |
| Married couple, no children | 34.0% | 49.6% | 42.9% |
| Non Family Households | 55,771 | 14,372 | 43,255,233 |
| Single householder, w/children | 22.5% | 7.2% | 15.8% |
| Single householder, no children | 11.4% | 10.0% | 10.8% |