| | Andover, ME | Hiram, ME | United States |
| Population | 732 | 1,674 | 329,725,481 |
| Female Population | 53.7% | 53.9% | 50.5% |
| Male Population | 46.3% | 46.1% | 49.5% |
| Median Age | 55.9 | 38.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 823 | 1,619 | 309,327,143 |
| Population - 2000 | 864 | 1,423 | 285,036,114 |
| Population - 1990 | 953 | 1,260 | 251,960,433 |
| Pop. 2000 to Now | -3.0% | 16.6% | 15.6% |
| Pop. 1990 to Now | -12.1% | 31.7% | 30.8% |
| space4 | | | |
| Population Density | 12.8 | 44.6 | 93.4 |
| Land Area | 57.4 | 37.5 | 3,531,905.4 |
| Water Area | 0.0 | 1.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Andover, ME | Hiram, ME | United States |
| Age 0 to 4 | 4.4% | 6.5% | 5.9% |
| Age 5 to 9 | 2.0% | 4.2% | 6.1% |
| Age 10 to 14 | 4.2% | 9.0% | 6.6% |
| Age 15 to 17 | 1.4% | 3.4% | 3.9% |
| Age 18 to 20 | 1.2% | 2.6% | 4.0% |
| Age 21 to 24 | 3.7% | 4.2% | 5.2% |
| Age 25 to 34 | 4.0% | 16.2% | 13.8% |
| Age 35 to 44 | 13.3% | 8.1% | 12.9% |
| Age 45 to 54 | 14.1% | 11.4% | 12.6% |
| Age 55 to 59 | 10.8% | 7.8% | 6.7% |
| Age 60 to 64 | 8.7% | 12.8% | 6.3% |
| Age 65 to 74 | 19.7% | 7.0% | 9.6% |
| Age 75 to 84 | 10.2% | 5.3% | 4.5% |
| Age 85 and over | 2.3% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Andover, ME | Hiram, ME | United States |
| White | 96.3% | 84.8% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 2.6% | 0.0% | 5.6% |
| Native American | 0.0% | 0.7% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.1% | 11.0% | 3.2% |
| Hispanic | 0.0% | 3.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Andover, ME | Hiram, ME | United States |
| Married Population | 64.4% | 44.9% | 49.8% |
| Currently Married | 63.9% | 44.3% | 48.0% |
| Married but Separated | 0.5% | 0.6% | 1.8% |
| Single Population | 35.6% | 55.1% | 50.2% |
| Never Married | 16.1% | 34.5% | 33.8% |
| Divorced | 14.2% | 16.7% | 10.8% |
| Widowed | 5.4% | 3.9% | 5.6% |
| space5 | | | |
| Household Size | 2.35 | 2.71 | 2.60 |
| Households | 311 | 617 | 124,010,992 |
| Family Households | 216 | 365 | 80,755,759 |
| Married couple, w/children | 13.4% | 29.6% | 30.5% |
| Married couple, no children | 73.1% | 48.2% | 42.9% |
| Non Family Households | 95 | 252 | 43,255,233 |
| Single householder, w/children | 9.3% | 15.6% | 15.8% |
| Single householder, no children | 4.2% | 6.6% | 10.8% |