| | Newport, TN | Candia, NH | United States |
| Population | 6,845 | 4,022 | 329,725,481 |
| Female Population | 56.5% | 48.3% | 50.5% |
| Male Population | 43.5% | 51.7% | 49.5% |
| Median Age | 38.6 | 48.6 | 38.4 |
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| Population - 2010 | 6,900 | 3,904 | 309,327,143 |
| Population - 2000 | 7,242 | 3,911 | 285,036,114 |
| Population - 1990 | 7,123 | 3,557 | 251,960,433 |
| Pop. 2000 to Now | -4.8% | 1.2% | 15.6% |
| Pop. 1990 to Now | -3.2% | 11.3% | 30.8% |
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| Population Density | 1,238.0 | 132.6 | 93.4 |
| Land Area | 5.5 | 30.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Newport, TN | Candia, NH | United States |
| Age 0 to 4 | 10.1% | 6.0% | 5.9% |
| Age 5 to 9 | 5.0% | 3.1% | 6.1% |
| Age 10 to 14 | 6.2% | 1.0% | 6.6% |
| Age 15 to 17 | 4.2% | 2.2% | 3.9% |
| Age 18 to 20 | 2.8% | 4.0% | 4.0% |
| Age 21 to 24 | 7.1% | 5.9% | 5.2% |
| Age 25 to 34 | 13.0% | 12.4% | 13.8% |
| Age 35 to 44 | 7.4% | 9.3% | 12.9% |
| Age 45 to 54 | 15.2% | 17.9% | 12.6% |
| Age 55 to 59 | 4.5% | 6.5% | 6.7% |
| Age 60 to 64 | 6.5% | 13.4% | 6.3% |
| Age 65 to 74 | 11.3% | 13.5% | 9.6% |
| Age 75 to 84 | 5.3% | 3.7% | 4.5% |
| Age 85 and over | 1.3% | 1.2% | 1.9% |
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| Race | | | |
| | Newport, TN | Candia, NH | United States |
| White | 84.5% | 97.0% | 59.4% |
| Black | 1.0% | 1.0% | 12.2% |
| Asian | 2.5% | 0.0% | 5.6% |
| Native American | 0.4% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.5% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 4.4% | 0.7% | 3.2% |
| Hispanic | 6.7% | 1.3% | 18.4% |
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| Marriage & Family | | | |
| | Newport, TN | Candia, NH | United States |
| Married Population | 46.4% | 62.9% | 49.8% |
| Currently Married | 44.9% | 62.3% | 48.0% |
| Married but Separated | 1.4% | 0.6% | 1.8% |
| Single Population | 53.7% | 37.1% | 50.2% |
| Never Married | 24.9% | 24.7% | 33.8% |
| Divorced | 17.2% | 8.3% | 10.8% |
| Widowed | 11.5% | 4.1% | 5.6% |
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| Household Size | 2.53 | 2.57 | 2.60 |
| Households | 2,611 | 1,567 | 124,010,992 |
| Family Households | 1,688 | 1,137 | 80,755,759 |
| Married couple, w/children | 24.1% | 22.3% | 30.5% |
| Married couple, no children | 39.1% | 71.0% | 42.9% |
| Non Family Households | 923 | 430 | 43,255,233 |
| Single householder, w/children | 20.9% | 4.5% | 15.8% |
| Single householder, no children | 15.9% | 2.3% | 10.8% |