| | Corunna, MI | Forest, VA | United States |
| Population | 3,116 | 11,045 | 329,725,481 |
| Female Population | 45.8% | 52.9% | 50.5% |
| Male Population | 54.2% | 47.1% | 49.5% |
| Median Age | 38 | 45.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,497 | 9,116 | 309,327,143 |
| Population - 2000 | 3,381 | 8,006 | 285,036,114 |
| Population - 1990 | 3,091 | 5,624 | 251,960,433 |
| Pop. 2000 to Now | -1.8% | 36.8% | 15.6% |
| Pop. 1990 to Now | 7.4% | 94.7% | 30.8% |
| space4 | | | |
| Population Density | 980.5 | 812.1 | 93.4 |
| Land Area | 3.2 | 13.6 | 3,531,905.4 |
| Water Area | 0.1 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Corunna, MI | Forest, VA | United States |
| Age 0 to 4 | 8.4% | 4.5% | 5.9% |
| Age 5 to 9 | 6.0% | 4.5% | 6.1% |
| Age 10 to 14 | 5.1% | 6.2% | 6.6% |
| Age 15 to 17 | 6.6% | 3.5% | 3.9% |
| Age 18 to 20 | 2.1% | 3.6% | 4.0% |
| Age 21 to 24 | 2.3% | 6.1% | 5.2% |
| Age 25 to 34 | 12.8% | 9.7% | 13.8% |
| Age 35 to 44 | 15.8% | 11.7% | 12.9% |
| Age 45 to 54 | 11.2% | 13.2% | 12.6% |
| Age 55 to 59 | 5.2% | 8.4% | 6.7% |
| Age 60 to 64 | 5.8% | 7.9% | 6.3% |
| Age 65 to 74 | 8.6% | 10.7% | 9.6% |
| Age 75 to 84 | 7.6% | 6.3% | 4.5% |
| Age 85 and over | 2.4% | 3.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Corunna, MI | Forest, VA | United States |
| White | 89.5% | 77.0% | 59.4% |
| Black | 5.2% | 8.1% | 12.2% |
| Asian | 0.0% | 3.8% | 5.6% |
| Native American | 0.1% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 1.3% | 0.4% |
| Two or More Races | 2.5% | 4.9% | 3.2% |
| Hispanic | 2.7% | 4.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Corunna, MI | Forest, VA | United States |
| Married Population | 38.2% | 61.5% | 49.8% |
| Currently Married | 37.3% | 59.4% | 48.0% |
| Married but Separated | 0.8% | 2.1% | 1.8% |
| Single Population | 61.8% | 38.5% | 50.2% |
| Never Married | 33.6% | 22.5% | 33.8% |
| Divorced | 16.5% | 10.3% | 10.8% |
| Widowed | 11.7% | 5.7% | 5.6% |
| space5 | | | |
| Household Size | 2.07 | 2.33 | 2.60 |
| Households | 1,410 | 4,730 | 124,010,992 |
| Family Households | 687 | 3,164 | 80,755,759 |
| Married couple, w/children | 26.9% | 29.6% | 30.5% |
| Married couple, no children | 34.6% | 54.2% | 42.9% |
| Non Family Households | 723 | 1,566 | 43,255,233 |
| Single householder, w/children | 24.3% | 6.9% | 15.8% |
| Single householder, no children | 14.1% | 9.3% | 10.8% |