| | Old Fort, NC | Blue Hill, ME | United States |
| Population | 644 | 2,796 | 329,725,481 |
| Female Population | 53.4% | 55.0% | 50.5% |
| Male Population | 46.6% | 45.0% | 49.5% |
| Median Age | 49.6 | 43.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 904 | 2,681 | 309,327,143 |
| Population - 2000 | 963 | 2,390 | 285,036,114 |
| Population - 1990 | 720 | 1,941 | 251,960,433 |
| Pop. 2000 to Now | -4.1% | 10.9% | 15.6% |
| Pop. 1990 to Now | 28.3% | 36.6% | 30.8% |
| space4 | | | |
| Population Density | 527.4 | 44.8 | 93.4 |
| Land Area | 1.2 | 62.5 | 3,531,905.4 |
| Water Area | 0.0 | 24.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Old Fort, NC | Blue Hill, ME | United States |
| Age 0 to 4 | 2.8% | 1.9% | 5.9% |
| Age 5 to 9 | 5.3% | 9.3% | 6.1% |
| Age 10 to 14 | 7.3% | 12.2% | 6.6% |
| Age 15 to 17 | 1.4% | 2.9% | 3.9% |
| Age 18 to 20 | 4.3% | 0.8% | 4.0% |
| Age 21 to 24 | 1.6% | 2.8% | 5.2% |
| Age 25 to 34 | 8.1% | 6.5% | 13.8% |
| Age 35 to 44 | 9.3% | 14.7% | 12.9% |
| Age 45 to 54 | 18.8% | 16.1% | 12.6% |
| Age 55 to 59 | 5.0% | 6.2% | 6.7% |
| Age 60 to 64 | 5.4% | 2.8% | 6.3% |
| Age 65 to 74 | 11.5% | 15.3% | 9.6% |
| Age 75 to 84 | 11.8% | 4.6% | 4.5% |
| Age 85 and over | 7.5% | 4.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Old Fort, NC | Blue Hill, ME | United States |
| White | 86.6% | 90.8% | 59.4% |
| Black | 5.1% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 8.2% | 1.3% | 3.2% |
| Hispanic | 0.0% | 7.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Old Fort, NC | Blue Hill, ME | United States |
| Married Population | 58.0% | 50.4% | 49.8% |
| Currently Married | 55.0% | 49.8% | 48.0% |
| Married but Separated | 2.9% | 0.7% | 1.8% |
| Single Population | 42.0% | 49.6% | 50.2% |
| Never Married | 15.4% | 24.1% | 33.8% |
| Divorced | 9.9% | 14.7% | 10.8% |
| Widowed | 16.7% | 10.7% | 5.6% |
| space5 | | | |
| Household Size | 2.12 | 2.24 | 2.60 |
| Households | 304 | 1,228 | 124,010,992 |
| Family Households | 210 | 751 | 80,755,759 |
| Married couple, w/children | 20.0% | 25.8% | 30.5% |
| Married couple, no children | 46.2% | 38.2% | 42.9% |
| Non Family Households | 94 | 477 | 43,255,233 |
| Single householder, w/children | 11.4% | 27.0% | 15.8% |
| Single householder, no children | 22.4% | 8.9% | 10.8% |