| | Newport, VT | Whittier, CA | United States |
| Population | 4,446 | 87,184 | 329,725,481 |
| Female Population | 47.7% | 51.2% | 50.5% |
| Male Population | 52.3% | 48.9% | 49.5% |
| Median Age | 47.2 | 37.4 | 38.4 |
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| Population - 2010 | 4,585 | 85,309 | 309,327,143 |
| Population - 2000 | 5,005 | 83,680 | 285,036,114 |
| Population - 1990 | 4,434 | 77,671 | 251,960,433 |
| Pop. 2000 to Now | -15.8% | -0.6% | 15.6% |
| Pop. 1990 to Now | -4.9% | 7.1% | 30.8% |
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| Population Density | 763.0 | 5,951.5 | 93.4 |
| Land Area | 5.8 | 14.6 | 3,531,905.4 |
| Water Area | 1.8 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Newport, VT | Whittier, CA | United States |
| Age 0 to 4 | 2.1% | 5.8% | 5.9% |
| Age 5 to 9 | 4.0% | 6.2% | 6.1% |
| Age 10 to 14 | 6.0% | 6.9% | 6.6% |
| Age 15 to 17 | 4.0% | 4.2% | 3.9% |
| Age 18 to 20 | 3.2% | 4.7% | 4.0% |
| Age 21 to 24 | 5.8% | 5.0% | 5.2% |
| Age 25 to 34 | 13.2% | 13.5% | 13.8% |
| Age 35 to 44 | 9.9% | 15.0% | 12.9% |
| Age 45 to 54 | 12.4% | 12.6% | 12.6% |
| Age 55 to 59 | 7.4% | 6.5% | 6.7% |
| Age 60 to 64 | 8.1% | 5.3% | 6.3% |
| Age 65 to 74 | 13.1% | 7.7% | 9.6% |
| Age 75 to 84 | 6.6% | 4.0% | 4.5% |
| Age 85 and over | 4.1% | 2.6% | 1.9% |
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| Race | | | |
| | Newport, VT | Whittier, CA | United States |
| White | 95.7% | 23.2% | 59.4% |
| Black | 0.5% | 0.9% | 12.2% |
| Asian | 0.0% | 4.4% | 5.6% |
| Native American | 0.3% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.0% | 0.2% |
| Other | 0.2% | 1.9% | 0.4% |
| Two or More Races | 1.9% | 1.9% | 3.2% |
| Hispanic | 1.2% | 67.4% | 18.4% |
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| Marriage & Family | | | |
| | Newport, VT | Whittier, CA | United States |
| Married Population | 39.7% | 47.2% | 49.8% |
| Currently Married | 38.6% | 45.2% | 48.0% |
| Married but Separated | 1.1% | 2.0% | 1.8% |
| Single Population | 60.3% | 52.8% | 50.2% |
| Never Married | 31.5% | 38.4% | 33.8% |
| Divorced | 22.1% | 9.3% | 10.8% |
| Widowed | 6.7% | 5.0% | 5.6% |
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| Household Size | 2.06 | 3.10 | 2.60 |
| Households | 1,910 | 27,626 | 124,010,992 |
| Family Households | 1,007 | 19,840 | 80,755,759 |
| Married couple, w/children | 25.7% | 33.6% | 30.5% |
| Married couple, no children | 46.9% | 36.6% | 42.9% |
| Non Family Households | 903 | 7,786 | 43,255,233 |
| Single householder, w/children | 19.4% | 14.6% | 15.8% |
| Single householder, no children | 8.0% | 15.2% | 10.8% |