| | Howell, MI | Williamston, NC | United States |
| Population | 10,025 | 5,221 | 329,725,481 |
| Female Population | 54.1% | 59.0% | 50.5% |
| Male Population | 45.9% | 41.0% | 49.5% |
| Median Age | 35.5 | 42.8 | 38.4 |
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| Population - 2010 | 9,464 | 5,740 | 309,327,143 |
| Population - 2000 | 9,232 | 5,843 | 285,036,114 |
| Population - 1990 | 8,184 | 5,503 | 251,960,433 |
| Pop. 2000 to Now | 4.5% | -12.2% | 15.6% |
| Pop. 1990 to Now | 17.9% | -6.8% | 30.8% |
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| Population Density | 2,009.0 | 1,189.3 | 93.4 |
| Land Area | 5.0 | 4.4 | 3,531,905.4 |
| Water Area | 0.2 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Howell, MI | Williamston, NC | United States |
| Age 0 to 4 | 5.7% | 4.3% | 5.9% |
| Age 5 to 9 | 6.0% | 5.5% | 6.1% |
| Age 10 to 14 | 4.2% | 9.5% | 6.6% |
| Age 15 to 17 | 2.4% | 3.7% | 3.9% |
| Age 18 to 20 | 2.2% | 5.7% | 4.0% |
| Age 21 to 24 | 10.1% | 1.7% | 5.2% |
| Age 25 to 34 | 19.0% | 6.2% | 13.8% |
| Age 35 to 44 | 9.8% | 14.7% | 12.9% |
| Age 45 to 54 | 10.3% | 7.8% | 12.6% |
| Age 55 to 59 | 7.1% | 13.3% | 6.7% |
| Age 60 to 64 | 6.4% | 3.0% | 6.3% |
| Age 65 to 74 | 7.1% | 15.4% | 9.6% |
| Age 75 to 84 | 5.4% | 4.9% | 4.5% |
| Age 85 and over | 4.2% | 4.2% | 1.9% |
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| Race | | | |
| | Howell, MI | Williamston, NC | United States |
| White | 88.3% | 37.4% | 59.4% |
| Black | 1.3% | 50.6% | 12.2% |
| Asian | 1.5% | 1.7% | 5.6% |
| Native American | 0.6% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.8% | 0.2% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 1.9% | 1.0% | 3.2% |
| Hispanic | 5.6% | 8.8% | 18.4% |
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| Marriage & Family | | | |
| | Howell, MI | Williamston, NC | United States |
| Married Population | 33.1% | 49.0% | 49.8% |
| Currently Married | 32.5% | 44.6% | 48.0% |
| Married but Separated | 0.5% | 4.4% | 1.8% |
| Single Population | 66.9% | 51.0% | 50.2% |
| Never Married | 35.6% | 32.0% | 33.8% |
| Divorced | 21.9% | 13.5% | 10.8% |
| Widowed | 9.5% | 5.5% | 5.6% |
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| Household Size | 1.97 | 2.33 | 2.60 |
| Households | 4,861 | 2,197 | 124,010,992 |
| Family Households | 2,031 | 1,435 | 80,755,759 |
| Married couple, w/children | 28.4% | 19.2% | 30.5% |
| Married couple, no children | 38.5% | 38.9% | 42.9% |
| Non Family Households | 2,830 | 762 | 43,255,233 |
| Single householder, w/children | 23.1% | 28.6% | 15.8% |
| Single householder, no children | 10.0% | 13.4% | 10.8% |