| | Old Town, ME | Brunswick, OH | United States |
| Population | 7,415 | 35,272 | 329,725,481 |
| Female Population | 51.0% | 51.0% | 50.5% |
| Male Population | 49.0% | 49.0% | 49.5% |
| Median Age | 36.7 | 39.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 7,834 | 34,267 | 309,327,143 |
| Population - 2000 | 8,130 | 33,388 | 285,036,114 |
| Population - 1990 | 8,317 | 28,230 | 251,960,433 |
| Pop. 2000 to Now | -8.9% | 5.0% | 15.6% |
| Pop. 1990 to Now | -11.0% | 24.2% | 30.8% |
| space4 | | | |
| Population Density | 191.0 | 2,729.2 | 93.4 |
| Land Area | 38.8 | 12.9 | 3,531,905.4 |
| Water Area | 4.4 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Old Town, ME | Brunswick, OH | United States |
| Age 0 to 4 | 6.4% | 5.2% | 5.9% |
| Age 5 to 9 | 5.2% | 6.0% | 6.1% |
| Age 10 to 14 | 2.8% | 7.2% | 6.6% |
| Age 15 to 17 | 2.6% | 4.5% | 3.9% |
| Age 18 to 20 | 2.6% | 3.2% | 4.0% |
| Age 21 to 24 | 10.6% | 4.9% | 5.2% |
| Age 25 to 34 | 14.6% | 11.8% | 13.8% |
| Age 35 to 44 | 14.9% | 13.6% | 12.9% |
| Age 45 to 54 | 10.6% | 13.8% | 12.6% |
| Age 55 to 59 | 6.7% | 7.4% | 6.7% |
| Age 60 to 64 | 6.9% | 6.4% | 6.3% |
| Age 65 to 74 | 11.2% | 10.5% | 9.6% |
| Age 75 to 84 | 3.3% | 4.5% | 4.5% |
| Age 85 and over | 1.7% | 1.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Old Town, ME | Brunswick, OH | United States |
| White | 93.0% | 90.9% | 59.4% |
| Black | 0.0% | 2.0% | 12.2% |
| Asian | 0.3% | 0.6% | 5.6% |
| Native American | 3.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.0% | 0.4% |
| Two or More Races | 2.2% | 2.5% | 3.2% |
| Hispanic | 1.2% | 4.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Old Town, ME | Brunswick, OH | United States |
| Married Population | 42.1% | 56.2% | 49.8% |
| Currently Married | 41.6% | 55.1% | 48.0% |
| Married but Separated | 0.6% | 1.1% | 1.8% |
| Single Population | 57.9% | 43.8% | 50.2% |
| Never Married | 37.5% | 27.2% | 33.8% |
| Divorced | 16.1% | 11.3% | 10.8% |
| Widowed | 4.3% | 5.4% | 5.6% |
| space5 | | | |
| Household Size | 2.35 | 2.47 | 2.60 |
| Households | 3,159 | 14,170 | 124,010,992 |
| Family Households | 1,683 | 9,377 | 80,755,759 |
| Married couple, w/children | 31.4% | 35.6% | 30.5% |
| Married couple, no children | 43.3% | 44.9% | 42.9% |
| Non Family Households | 1,476 | 4,793 | 43,255,233 |
| Single householder, w/children | 16.9% | 12.4% | 15.8% |
| Single householder, no children | 8.4% | 7.0% | 10.8% |