| | Dixfield, ME | Belvidere, NJ | United States |
| Population | 2,025 | 2,525 | 329,725,481 |
| Female Population | 54.3% | 47.1% | 50.5% |
| Male Population | 45.7% | 53.0% | 49.5% |
| Median Age | 43.6 | 48.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,549 | 2,680 | 309,327,143 |
| Population - 2000 | 2,514 | 2,771 | 285,036,114 |
| Population - 1990 | 2,574 | 2,669 | 251,960,433 |
| Pop. 2000 to Now | -1.3% | -7.5% | 15.6% |
| Pop. 1990 to Now | -3.6% | -4.0% | 30.8% |
| space4 | | | |
| Population Density | 49.1 | 1,742.6 | 93.4 |
| Land Area | 41.3 | 1.4 | 3,531,905.4 |
| Water Area | 0.4 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Dixfield, ME | Belvidere, NJ | United States |
| Age 0 to 4 | 3.0% | 7.0% | 5.9% |
| Age 5 to 9 | 7.9% | 3.5% | 6.1% |
| Age 10 to 14 | 5.8% | 2.5% | 6.6% |
| Age 15 to 17 | 1.1% | 4.1% | 3.9% |
| Age 18 to 20 | 3.1% | 2.7% | 4.0% |
| Age 21 to 24 | 6.7% | 2.8% | 5.2% |
| Age 25 to 34 | 12.0% | 13.4% | 13.8% |
| Age 35 to 44 | 12.3% | 7.2% | 12.9% |
| Age 45 to 54 | 15.8% | 18.0% | 12.6% |
| Age 55 to 59 | 8.6% | 7.5% | 6.7% |
| Age 60 to 64 | 6.9% | 18.3% | 6.3% |
| Age 65 to 74 | 9.5% | 8.4% | 9.6% |
| Age 75 to 84 | 5.3% | 3.9% | 4.5% |
| Age 85 and over | 2.1% | 0.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Dixfield, ME | Belvidere, NJ | United States |
| White | 96.9% | 92.3% | 59.4% |
| Black | 0.0% | 0.2% | 12.2% |
| Asian | 0.5% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.6% | 1.7% | 3.2% |
| Hispanic | 0.0% | 5.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Dixfield, ME | Belvidere, NJ | United States |
| Married Population | 47.0% | 53.7% | 49.8% |
| Currently Married | 45.8% | 53.7% | 48.0% |
| Married but Separated | 1.2% | 0.0% | 1.8% |
| Single Population | 53.0% | 46.3% | 50.2% |
| Never Married | 26.5% | 26.4% | 33.8% |
| Divorced | 20.6% | 16.0% | 10.8% |
| Widowed | 5.9% | 4.0% | 5.6% |
| space5 | | | |
| Household Size | 2.35 | 2.17 | 2.60 |
| Households | 859 | 1,153 | 124,010,992 |
| Family Households | 503 | 750 | 80,755,759 |
| Married couple, w/children | 16.9% | 26.9% | 30.5% |
| Married couple, no children | 57.3% | 54.7% | 42.9% |
| Non Family Households | 356 | 403 | 43,255,233 |
| Single householder, w/children | 19.9% | 8.7% | 15.8% |
| Single householder, no children | 6.0% | 9.7% | 10.8% |