| | Grand Blanc charter, MI | Sharpsburg, PA | United States |
| Population | 39,478 | 3,214 | 329,725,481 |
| Female Population | 53.7% | 49.9% | 50.5% |
| Male Population | 46.3% | 50.1% | 49.5% |
| Median Age | 39.7 | 37.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 37,459 | 3,468 | 309,327,143 |
| Population - 2000 | 29,827 | 3,594 | 285,036,114 |
| Population - 1990 | 25,392 | 3,781 | 251,960,433 |
| Pop. 2000 to Now | 23.3% | -7.8% | 15.6% |
| Pop. 1990 to Now | 44.8% | -12.3% | 30.8% |
| space4 | | | |
| Population Density | 1,207.4 | 6,709.8 | 93.4 |
| Land Area | 32.7 | 0.5 | 3,531,905.4 |
| Water Area | 0.3 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Grand Blanc charter, MI | Sharpsburg, PA | United States |
| Age 0 to 4 | 5.4% | 4.5% | 5.9% |
| Age 5 to 9 | 5.7% | 2.5% | 6.1% |
| Age 10 to 14 | 8.7% | 3.3% | 6.6% |
| Age 15 to 17 | 3.2% | 9.1% | 3.9% |
| Age 18 to 20 | 2.6% | 2.9% | 4.0% |
| Age 21 to 24 | 5.4% | 3.5% | 5.2% |
| Age 25 to 34 | 12.7% | 20.5% | 13.8% |
| Age 35 to 44 | 12.8% | 10.1% | 12.9% |
| Age 45 to 54 | 10.6% | 12.1% | 12.6% |
| Age 55 to 59 | 7.8% | 7.0% | 6.7% |
| Age 60 to 64 | 6.9% | 11.3% | 6.3% |
| Age 65 to 74 | 9.7% | 7.1% | 9.6% |
| Age 75 to 84 | 6.5% | 3.8% | 4.5% |
| Age 85 and over | 2.1% | 2.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Grand Blanc charter, MI | Sharpsburg, PA | United States |
| White | 76.9% | 88.5% | 59.4% |
| Black | 11.2% | 5.0% | 12.2% |
| Asian | 3.9% | 1.7% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.6% | 0.3% | 0.4% |
| Two or More Races | 3.3% | 4.0% | 3.2% |
| Hispanic | 3.1% | 0.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Grand Blanc charter, MI | Sharpsburg, PA | United States |
| Married Population | 54.6% | 31.6% | 49.8% |
| Currently Married | 53.2% | 28.8% | 48.0% |
| Married but Separated | 1.4% | 2.8% | 1.8% |
| Single Population | 45.4% | 68.4% | 50.2% |
| Never Married | 28.4% | 47.4% | 33.8% |
| Divorced | 12.8% | 15.4% | 10.8% |
| Widowed | 4.1% | 5.7% | 5.6% |
| space5 | | | |
| Household Size | 2.47 | 2.04 | 2.60 |
| Households | 15,914 | 1,576 | 124,010,992 |
| Family Households | 10,382 | 756 | 80,755,759 |
| Married couple, w/children | 29.8% | 15.9% | 30.5% |
| Married couple, no children | 48.6% | 34.3% | 42.9% |
| Non Family Households | 5,532 | 820 | 43,255,233 |
| Single householder, w/children | 12.7% | 29.6% | 15.8% |
| Single householder, no children | 8.9% | 20.2% | 10.8% |