| | New Gloucester, ME | New Braunfels, TX | United States |
| Population | 5,668 | 87,549 | 329,725,481 |
| Female Population | 46.5% | 50.0% | 50.5% |
| Male Population | 53.6% | 50.0% | 49.5% |
| Median Age | 43.3 | 35.1 | 38.4 |
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| Population - 2010 | 5,547 | 58,061 | 309,327,143 |
| Population - 2000 | 4,803 | 36,494 | 285,036,114 |
| Population - 1990 | 3,916 | 27,334 | 251,960,433 |
| Pop. 2000 to Now | 22.4% | 161.8% | 15.6% |
| Pop. 1990 to Now | 50.2% | 249.5% | 30.8% |
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| Population Density | 120.3 | 1,947.3 | 93.4 |
| Land Area | 47.1 | 45.0 | 3,531,905.4 |
| Water Area | 0.7 | 0.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | New Gloucester, ME | New Braunfels, TX | United States |
| Age 0 to 4 | 3.4% | 7.5% | 5.9% |
| Age 5 to 9 | 6.4% | 7.2% | 6.1% |
| Age 10 to 14 | 6.5% | 6.7% | 6.6% |
| Age 15 to 17 | 6.3% | 3.9% | 3.9% |
| Age 18 to 20 | 4.8% | 3.4% | 4.0% |
| Age 21 to 24 | 4.3% | 5.4% | 5.2% |
| Age 25 to 34 | 8.9% | 15.9% | 13.8% |
| Age 35 to 44 | 16.5% | 14.2% | 12.9% |
| Age 45 to 54 | 13.1% | 12.0% | 12.6% |
| Age 55 to 59 | 9.2% | 5.0% | 6.7% |
| Age 60 to 64 | 7.3% | 5.5% | 6.3% |
| Age 65 to 74 | 8.7% | 7.8% | 9.6% |
| Age 75 to 84 | 4.4% | 3.6% | 4.5% |
| Age 85 and over | 0.2% | 1.8% | 1.9% |
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| Race | | | |
| | New Gloucester, ME | New Braunfels, TX | United States |
| White | 96.6% | 57.9% | 59.4% |
| Black | 0.2% | 1.9% | 12.2% |
| Asian | 1.4% | 0.9% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 1.7% | 1.7% | 3.2% |
| Hispanic | 0.0% | 37.4% | 18.4% |
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| Marriage & Family | | | |
| | New Gloucester, ME | New Braunfels, TX | United States |
| Married Population | 61.5% | 55.7% | 49.8% |
| Currently Married | 61.1% | 54.7% | 48.0% |
| Married but Separated | 0.4% | 1.1% | 1.8% |
| Single Population | 38.5% | 44.3% | 50.2% |
| Never Married | 26.7% | 27.6% | 33.8% |
| Divorced | 10.8% | 11.7% | 10.8% |
| Widowed | 0.9% | 5.0% | 5.6% |
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| Household Size | 2.69 | 2.58 | 2.60 |
| Households | 2,093 | 33,637 | 124,010,992 |
| Family Households | 1,519 | 22,766 | 80,755,759 |
| Married couple, w/children | 41.4% | 36.7% | 30.5% |
| Married couple, no children | 48.3% | 41.2% | 42.9% |
| Non Family Households | 574 | 10,871 | 43,255,233 |
| Single householder, w/children | 6.1% | 14.7% | 15.8% |
| Single householder, no children | 4.2% | 7.3% | 10.8% |