| | Ayden, NC | Burlington, ME | United States |
| Population | 4,991 | 335 | 329,725,481 |
| Female Population | 50.0% | 54.0% | 50.5% |
| Male Population | 50.0% | 46.0% | 49.5% |
| Median Age | 41.2 | 59.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 5,013 | 366 | 309,327,143 |
| Population - 2000 | 4,622 | 351 | 285,036,114 |
| Population - 1990 | 4,740 | 360 | 251,960,433 |
| Pop. 2000 to Now | 11.6% | 33.6% | 15.6% |
| Pop. 1990 to Now | 8.8% | 30.3% | 30.8% |
| space4 | | | |
| Population Density | 1,299.1 | 6.2 | 93.4 |
| Land Area | 3.8 | 54.0 | 3,531,905.4 |
| Water Area | 0.0 | 2.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Ayden, NC | Burlington, ME | United States |
| Age 0 to 4 | 5.8% | 1.8% | 5.9% |
| Age 5 to 9 | 6.8% | 2.4% | 6.1% |
| Age 10 to 14 | 8.6% | 4.8% | 6.6% |
| Age 15 to 17 | 3.0% | 5.4% | 3.9% |
| Age 18 to 20 | 1.3% | 2.1% | 4.0% |
| Age 21 to 24 | 4.9% | 0.9% | 5.2% |
| Age 25 to 34 | 11.5% | 5.1% | 13.8% |
| Age 35 to 44 | 11.6% | 10.7% | 12.9% |
| Age 45 to 54 | 14.0% | 7.5% | 12.6% |
| Age 55 to 59 | 4.2% | 10.1% | 6.7% |
| Age 60 to 64 | 8.1% | 19.1% | 6.3% |
| Age 65 to 74 | 13.7% | 16.1% | 9.6% |
| Age 75 to 84 | 5.2% | 9.9% | 4.5% |
| Age 85 and over | 1.4% | 4.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Ayden, NC | Burlington, ME | United States |
| White | 48.6% | 99.4% | 59.4% |
| Black | 40.9% | 0.0% | 12.2% |
| Asian | 1.6% | 0.0% | 5.6% |
| Native American | 0.4% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 0.6% | 3.2% |
| Hispanic | 8.5% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Ayden, NC | Burlington, ME | United States |
| Married Population | 55.5% | 48.9% | 49.8% |
| Currently Married | 51.0% | 48.9% | 48.0% |
| Married but Separated | 4.5% | 0.0% | 1.8% |
| Single Population | 44.5% | 51.1% | 50.2% |
| Never Married | 28.1% | 19.3% | 33.8% |
| Divorced | 8.4% | 25.6% | 10.8% |
| Widowed | 8.0% | 6.2% | 5.6% |
| space5 | | | |
| Household Size | 2.26 | 2.16 | 2.60 |
| Households | 2,171 | 155 | 124,010,992 |
| Family Households | 1,257 | 92 | 80,755,759 |
| Married couple, w/children | 29.4% | 15.2% | 30.5% |
| Married couple, no children | 46.1% | 62.0% | 42.9% |
| Non Family Households | 914 | 63 | 43,255,233 |
| Single householder, w/children | 18.9% | 9.8% | 15.8% |
| Single householder, no children | 5.6% | 13.0% | 10.8% |