| | Brentwood, PA | Grand Blanc charter, MI | United States |
| Population | 9,999 | 39,478 | 329,725,481 |
| Female Population | 53.4% | 53.7% | 50.5% |
| Male Population | 46.6% | 46.3% | 49.5% |
| Median Age | 36.6 | 39.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 9,633 | 37,459 | 309,327,143 |
| Population - 2000 | 10,466 | 29,827 | 285,036,114 |
| Population - 1990 | 10,823 | 25,392 | 251,960,433 |
| Pop. 2000 to Now | -12.1% | 23.3% | 15.6% |
| Pop. 1990 to Now | -15.0% | 44.8% | 30.8% |
| space4 | | | |
| Population Density | 6,910.2 | 1,207.4 | 93.4 |
| Land Area | 1.4 | 32.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Brentwood, PA | Grand Blanc charter, MI | United States |
| Age 0 to 4 | 6.4% | 5.4% | 5.9% |
| Age 5 to 9 | 5.0% | 5.7% | 6.1% |
| Age 10 to 14 | 7.4% | 8.7% | 6.6% |
| Age 15 to 17 | 4.1% | 3.2% | 3.9% |
| Age 18 to 20 | 1.1% | 2.6% | 4.0% |
| Age 21 to 24 | 4.5% | 5.4% | 5.2% |
| Age 25 to 34 | 18.8% | 12.7% | 13.8% |
| Age 35 to 44 | 12.8% | 12.8% | 12.9% |
| Age 45 to 54 | 10.6% | 10.6% | 12.6% |
| Age 55 to 59 | 4.9% | 7.8% | 6.7% |
| Age 60 to 64 | 8.9% | 6.9% | 6.3% |
| Age 65 to 74 | 9.6% | 9.7% | 9.6% |
| Age 75 to 84 | 4.1% | 6.5% | 4.5% |
| Age 85 and over | 1.8% | 2.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Brentwood, PA | Grand Blanc charter, MI | United States |
| White | 80.8% | 76.9% | 59.4% |
| Black | 8.2% | 11.2% | 12.2% |
| Asian | 4.7% | 3.9% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.6% | 1.6% | 0.4% |
| Two or More Races | 4.8% | 3.3% | 3.2% |
| Hispanic | 0.7% | 3.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Brentwood, PA | Grand Blanc charter, MI | United States |
| Married Population | 38.0% | 54.6% | 49.8% |
| Currently Married | 37.2% | 53.2% | 48.0% |
| Married but Separated | 0.8% | 1.4% | 1.8% |
| Single Population | 62.0% | 45.4% | 50.2% |
| Never Married | 41.0% | 28.4% | 33.8% |
| Divorced | 12.5% | 12.8% | 10.8% |
| Widowed | 8.5% | 4.1% | 5.6% |
| space5 | | | |
| Household Size | 2.24 | 2.47 | 2.60 |
| Households | 4,468 | 15,914 | 124,010,992 |
| Family Households | 2,377 | 10,382 | 80,755,759 |
| Married couple, w/children | 18.1% | 29.8% | 30.5% |
| Married couple, no children | 44.6% | 48.6% | 42.9% |
| Non Family Households | 2,091 | 5,532 | 43,255,233 |
| Single householder, w/children | 22.8% | 12.7% | 15.8% |
| Single householder, no children | 14.5% | 8.9% | 10.8% |