| | Palmyra, ME | Jacksonville, NC | United States |
| Population | 2,226 | 73,224 | 329,725,481 |
| Female Population | 56.3% | 38.5% | 50.5% |
| Male Population | 43.7% | 61.5% | 49.5% |
| Median Age | 36.3 | 23.2 | 38.4 |
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| Population - 2010 | 1,986 | 78,056 | 309,327,143 |
| Population - 2000 | 1,953 | 66,715 | 285,036,114 |
| Population - 1990 | 1,867 | 30,013 | 251,960,433 |
| Pop. 2000 to Now | 1.3% | 14.3% | 15.6% |
| Pop. 1990 to Now | 6.0% | 154.2% | 30.8% |
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| Population Density | 55.4 | 1,508.1 | 93.4 |
| Land Area | 40.2 | 48.6 | 3,531,905.4 |
| Water Area | 1.3 | 7.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Palmyra, ME | Jacksonville, NC | United States |
| Age 0 to 4 | 5.7% | 8.1% | 5.9% |
| Age 5 to 9 | 8.0% | 5.5% | 6.1% |
| Age 10 to 14 | 11.0% | 4.6% | 6.6% |
| Age 15 to 17 | 7.1% | 2.3% | 3.9% |
| Age 18 to 20 | 4.3% | 15.3% | 4.0% |
| Age 21 to 24 | 2.7% | 22.4% | 5.2% |
| Age 25 to 34 | 9.7% | 17.0% | 13.8% |
| Age 35 to 44 | 9.2% | 7.8% | 12.9% |
| Age 45 to 54 | 14.0% | 5.0% | 12.6% |
| Age 55 to 59 | 6.6% | 3.0% | 6.7% |
| Age 60 to 64 | 6.6% | 2.8% | 6.3% |
| Age 65 to 74 | 9.1% | 4.1% | 9.6% |
| Age 75 to 84 | 4.9% | 1.4% | 4.5% |
| Age 85 and over | 1.3% | 0.7% | 1.9% |
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| Race | | | |
| | Palmyra, ME | Jacksonville, NC | United States |
| White | 97.4% | 54.2% | 59.4% |
| Black | 0.0% | 17.6% | 12.2% |
| Asian | 0.0% | 3.0% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 2.1% | 5.7% | 3.2% |
| Hispanic | 0.5% | 19.1% | 18.4% |
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| Marriage & Family | | | |
| | Palmyra, ME | Jacksonville, NC | United States |
| Married Population | 51.4% | 44.7% | 49.8% |
| Currently Married | 51.4% | 42.1% | 48.0% |
| Married but Separated | 0.0% | 2.6% | 1.8% |
| Single Population | 48.6% | 55.3% | 50.2% |
| Never Married | 30.1% | 45.2% | 33.8% |
| Divorced | 12.3% | 7.6% | 10.8% |
| Widowed | 6.2% | 2.6% | 5.6% |
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| Household Size | 2.72 | 2.50 | 2.60 |
| Households | 817 | 21,614 | 124,010,992 |
| Family Households | 516 | 15,321 | 80,755,759 |
| Married couple, w/children | 30.0% | 35.0% | 30.5% |
| Married couple, no children | 53.7% | 40.0% | 42.9% |
| Non Family Households | 301 | 6,293 | 43,255,233 |
| Single householder, w/children | 8.5% | 17.3% | 15.8% |
| Single householder, no children | 7.8% | 7.6% | 10.8% |