| | Tillamook, OR | Fillmore, CA | United States |
| Population | 5,183 | 16,373 | 329,725,481 |
| Female Population | 52.4% | 51.1% | 50.5% |
| Male Population | 47.6% | 48.9% | 49.5% |
| Median Age | 36.6 | 35.5 | 38.4 |
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| Population - 2010 | 5,041 | 15,017 | 309,327,143 |
| Population - 2000 | 4,352 | 13,643 | 285,036,114 |
| Population - 1990 | 4,001 | 11,992 | 251,960,433 |
| Pop. 2000 to Now | 25.0% | 14.4% | 15.6% |
| Pop. 1990 to Now | 35.9% | 30.1% | 30.8% |
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| Population Density | 2,722.2 | 4,867.1 | 93.4 |
| Land Area | 1.9 | 3.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Tillamook, OR | Fillmore, CA | United States |
| Age 0 to 4 | 5.0% | 3.2% | 5.9% |
| Age 5 to 9 | 8.7% | 6.7% | 6.1% |
| Age 10 to 14 | 10.7% | 11.1% | 6.6% |
| Age 15 to 17 | 1.9% | 5.2% | 3.9% |
| Age 18 to 20 | 3.3% | 4.4% | 4.0% |
| Age 21 to 24 | 4.5% | 5.7% | 5.2% |
| Age 25 to 34 | 11.3% | 12.6% | 13.8% |
| Age 35 to 44 | 14.3% | 16.0% | 12.9% |
| Age 45 to 54 | 10.1% | 13.9% | 12.6% |
| Age 55 to 59 | 4.8% | 4.1% | 6.7% |
| Age 60 to 64 | 7.5% | 4.0% | 6.3% |
| Age 65 to 74 | 9.0% | 7.3% | 9.6% |
| Age 75 to 84 | 4.6% | 3.4% | 4.5% |
| Age 85 and over | 4.1% | 2.4% | 1.9% |
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| Race | | | |
| | Tillamook, OR | Fillmore, CA | United States |
| White | 64.0% | 22.8% | 59.4% |
| Black | 0.9% | 0.5% | 12.2% |
| Asian | 1.2% | 1.3% | 5.6% |
| Native American | 1.1% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.6% | 0.1% | 0.4% |
| Two or More Races | 6.0% | 3.5% | 3.2% |
| Hispanic | 26.2% | 71.5% | 18.4% |
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| Marriage & Family | | | |
| | Tillamook, OR | Fillmore, CA | United States |
| Married Population | 35.4% | 48.5% | 49.8% |
| Currently Married | 32.8% | 46.9% | 48.0% |
| Married but Separated | 2.6% | 1.6% | 1.8% |
| Single Population | 64.6% | 51.5% | 50.2% |
| Never Married | 29.5% | 36.8% | 33.8% |
| Divorced | 23.0% | 8.5% | 10.8% |
| Widowed | 12.1% | 6.3% | 5.6% |
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| Household Size | 2.50 | 3.37 | 2.60 |
| Households | 2,062 | 4,812 | 124,010,992 |
| Family Households | 1,204 | 3,928 | 80,755,759 |
| Married couple, w/children | 22.1% | 37.3% | 30.5% |
| Married couple, no children | 28.5% | 32.2% | 42.9% |
| Non Family Households | 858 | 884 | 43,255,233 |
| Single householder, w/children | 32.1% | 15.8% | 15.8% |
| Single householder, no children | 17.3% | 14.7% | 10.8% |