| | Mayfield township (Lapeer County), MI | Alexandria, VA | United States |
| Population | 7,986 | 158,185 | 329,725,481 |
| Female Population | 47.6% | 51.6% | 50.5% |
| Male Population | 52.4% | 48.4% | 49.5% |
| Median Age | 43 | 37.1 | 38.4 |
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| Population - 2010 | 7,955 | 140,737 | 309,327,143 |
| Population - 2000 | 7,659 | 128,283 | 285,036,114 |
| Population - 1990 | 7,133 | 111,183 | 251,960,433 |
| Pop. 2000 to Now | 3.3% | 23.7% | 15.6% |
| Pop. 1990 to Now | 10.9% | 42.8% | 30.8% |
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| Population Density | 240.4 | 10,593.0 | 93.4 |
| Land Area | 33.2 | 14.9 | 3,531,905.4 |
| Water Area | 1.5 | 0.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Mayfield township (Lapeer County), MI | Alexandria, VA | United States |
| Age 0 to 4 | 3.5% | 7.0% | 5.9% |
| Age 5 to 9 | 6.6% | 4.7% | 6.1% |
| Age 10 to 14 | 5.5% | 4.3% | 6.6% |
| Age 15 to 17 | 4.5% | 2.4% | 3.9% |
| Age 18 to 20 | 3.5% | 1.9% | 4.0% |
| Age 21 to 24 | 6.0% | 3.9% | 5.2% |
| Age 25 to 34 | 11.6% | 20.7% | 13.8% |
| Age 35 to 44 | 11.9% | 18.7% | 12.9% |
| Age 45 to 54 | 12.9% | 13.5% | 12.6% |
| Age 55 to 59 | 7.9% | 5.9% | 6.7% |
| Age 60 to 64 | 6.4% | 5.2% | 6.3% |
| Age 65 to 74 | 12.5% | 7.4% | 9.6% |
| Age 75 to 84 | 4.1% | 3.0% | 4.5% |
| Age 85 and over | 3.3% | 1.3% | 1.9% |
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| Race | | | |
| | Mayfield township (Lapeer County), MI | Alexandria, VA | United States |
| White | 95.4% | 51.5% | 59.4% |
| Black | 0.2% | 21.1% | 12.2% |
| Asian | 0.4% | 6.4% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 0.7% | 4.1% | 3.2% |
| Hispanic | 3.3% | 16.5% | 18.4% |
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| Marriage & Family | | | |
| | Mayfield township (Lapeer County), MI | Alexandria, VA | United States |
| Married Population | 55.2% | 45.4% | 49.8% |
| Currently Married | 54.4% | 43.2% | 48.0% |
| Married but Separated | 0.8% | 2.2% | 1.8% |
| Single Population | 44.8% | 54.6% | 50.2% |
| Never Married | 27.9% | 40.2% | 33.8% |
| Divorced | 11.5% | 10.5% | 10.8% |
| Widowed | 5.5% | 3.9% | 5.6% |
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| Household Size | 2.52 | 2.11 | 2.60 |
| Households | 3,081 | 74,224 | 124,010,992 |
| Family Households | 2,232 | 34,516 | 80,755,759 |
| Married couple, w/children | 26.7% | 31.5% | 30.5% |
| Married couple, no children | 49.9% | 44.4% | 42.9% |
| Non Family Households | 849 | 39,708 | 43,255,233 |
| Single householder, w/children | 13.3% | 13.6% | 15.8% |
| Single householder, no children | 10.2% | 10.6% | 10.8% |