| | Andover, OH | Orwell, OH | United States |
| Population | 612 | 2,044 | 329,725,481 |
| Female Population | 53.4% | 49.9% | 50.5% |
| Male Population | 46.6% | 50.1% | 49.5% |
| Median Age | 60.1 | 32.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,141 | 1,655 | 309,327,143 |
| Population - 2000 | 1,269 | 1,519 | 285,036,114 |
| Population - 1990 | 1,216 | 1,258 | 251,960,433 |
| Pop. 2000 to Now | -14.3% | 4.3% | 15.6% |
| Pop. 1990 to Now | -10.5% | 26.0% | 30.8% |
| space4 | | | |
| Population Density | 434.7 | 1,033.9 | 93.4 |
| Land Area | 1.4 | 2.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Andover, OH | Orwell, OH | United States |
| Age 0 to 4 | 4.1% | 5.7% | 5.9% |
| Age 5 to 9 | 6.2% | 5.2% | 6.1% |
| Age 10 to 14 | 2.9% | 7.5% | 6.6% |
| Age 15 to 17 | 3.4% | 5.0% | 3.9% |
| Age 18 to 20 | 2.8% | 6.3% | 4.0% |
| Age 21 to 24 | 4.2% | 6.0% | 5.2% |
| Age 25 to 34 | 6.9% | 18.0% | 13.8% |
| Age 35 to 44 | 6.9% | 13.6% | 12.9% |
| Age 45 to 54 | 10.3% | 12.4% | 12.6% |
| Age 55 to 59 | 2.1% | 3.7% | 6.7% |
| Age 60 to 64 | 12.4% | 3.5% | 6.3% |
| Age 65 to 74 | 22.7% | 6.8% | 9.6% |
| Age 75 to 84 | 8.8% | 2.8% | 4.5% |
| Age 85 and over | 6.2% | 3.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Andover, OH | Orwell, OH | United States |
| White | 96.1% | 95.1% | 59.4% |
| Black | 1.3% | 0.8% | 12.2% |
| Asian | 0.5% | 0.0% | 5.6% |
| Native American | 0.0% | 0.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.1% | 3.2% | 3.2% |
| Hispanic | 0.0% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Andover, OH | Orwell, OH | United States |
| Married Population | 43.5% | 34.9% | 49.8% |
| Currently Married | 39.9% | 32.7% | 48.0% |
| Married but Separated | 3.6% | 2.2% | 1.8% |
| Single Population | 56.5% | 65.1% | 50.2% |
| Never Married | 23.2% | 43.2% | 33.8% |
| Divorced | 15.4% | 14.1% | 10.8% |
| Widowed | 17.9% | 7.8% | 5.6% |
| space5 | | | |
| Household Size | 2.10 | 2.74 | 2.60 |
| Households | 248 | 729 | 124,010,992 |
| Family Households | 139 | 461 | 80,755,759 |
| Married couple, w/children | 5.8% | 34.5% | 30.5% |
| Married couple, no children | 61.2% | 23.2% | 42.9% |
| Non Family Households | 109 | 268 | 43,255,233 |
| Single householder, w/children | 28.8% | 15.0% | 15.8% |
| Single householder, no children | 4.3% | 27.3% | 10.8% |