| | Brighton, MI | Garden City, MI | United States |
| Population | 7,462 | 27,268 | 329,725,481 |
| Female Population | 53.0% | 51.7% | 50.5% |
| Male Population | 47.0% | 48.3% | 49.5% |
| Median Age | 45.4 | 41.4 | 38.4 |
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| Population - 2010 | 7,450 | 27,572 | 309,327,143 |
| Population - 2000 | 6,701 | 30,047 | 285,036,114 |
| Population - 1990 | 5,686 | 31,846 | 251,960,433 |
| Pop. 2000 to Now | 13.9% | -12.8% | 15.6% |
| Pop. 1990 to Now | 34.3% | -17.7% | 30.8% |
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| Population Density | 2,123.5 | 4,650.9 | 93.4 |
| Land Area | 3.5 | 5.9 | 3,531,905.4 |
| Water Area | 0.2 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Brighton, MI | Garden City, MI | United States |
| Age 0 to 4 | 3.5% | 7.0% | 5.9% |
| Age 5 to 9 | 4.3% | 6.0% | 6.1% |
| Age 10 to 14 | 4.8% | 4.0% | 6.6% |
| Age 15 to 17 | 2.1% | 2.8% | 3.9% |
| Age 18 to 20 | 3.7% | 3.5% | 4.0% |
| Age 21 to 24 | 5.1% | 4.5% | 5.2% |
| Age 25 to 34 | 14.0% | 13.6% | 13.8% |
| Age 35 to 44 | 12.0% | 12.0% | 12.9% |
| Age 45 to 54 | 11.9% | 16.6% | 12.6% |
| Age 55 to 59 | 8.0% | 7.2% | 6.7% |
| Age 60 to 64 | 7.2% | 7.3% | 6.3% |
| Age 65 to 74 | 13.4% | 9.9% | 9.6% |
| Age 75 to 84 | 5.4% | 3.4% | 4.5% |
| Age 85 and over | 4.7% | 2.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Brighton, MI | Garden City, MI | United States |
| White | 92.0% | 85.6% | 59.4% |
| Black | 1.4% | 5.0% | 12.2% |
| Asian | 1.1% | 1.2% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.5% | 3.6% | 3.2% |
| Hispanic | 4.0% | 4.5% | 18.4% |
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| Marriage & Family | | | |
| | Brighton, MI | Garden City, MI | United States |
| Married Population | 46.8% | 47.3% | 49.8% |
| Currently Married | 45.8% | 46.0% | 48.0% |
| Married but Separated | 1.0% | 1.3% | 1.8% |
| Single Population | 53.2% | 52.7% | 50.2% |
| Never Married | 30.9% | 33.2% | 33.8% |
| Divorced | 13.4% | 12.7% | 10.8% |
| Widowed | 8.9% | 6.8% | 5.6% |
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| Household Size | 2.04 | 2.48 | 2.60 |
| Households | 3,603 | 10,979 | 124,010,992 |
| Family Households | 1,827 | 7,217 | 80,755,759 |
| Married couple, w/children | 24.5% | 26.3% | 30.5% |
| Married couple, no children | 53.8% | 41.8% | 42.9% |
| Non Family Households | 1,776 | 3,762 | 43,255,233 |
| Single householder, w/children | 12.1% | 16.0% | 15.8% |
| Single householder, no children | 9.6% | 15.9% | 10.8% |