| | Hendricks, MN | Birmingham, AL | United States |
| Population | 663 | 202,234 | 329,725,481 |
| Female Population | 55.4% | 52.8% | 50.5% |
| Male Population | 44.7% | 47.2% | 49.5% |
| Median Age | 53.4 | 36.2 | 38.4 |
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| Population - 2010 | 711 | 211,763 | 309,327,143 |
| Population - 2000 | 725 | 242,820 | 285,036,114 |
| Population - 1990 | 684 | 265,968 | 251,960,433 |
| Pop. 2000 to Now | -7.9% | -14.8% | 15.6% |
| Pop. 1990 to Now | -2.3% | -22.2% | 30.8% |
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| Population Density | 708.3 | 1,384.5 | 93.4 |
| Land Area | 0.9 | 146.1 | 3,531,905.4 |
| Water Area | 0.2 | 2.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Hendricks, MN | Birmingham, AL | United States |
| Age 0 to 4 | 2.3% | 5.5% | 5.9% |
| Age 5 to 9 | 3.3% | 5.4% | 6.1% |
| Age 10 to 14 | 6.5% | 5.6% | 6.6% |
| Age 15 to 17 | 2.1% | 2.9% | 3.9% |
| Age 18 to 20 | 4.5% | 4.7% | 4.0% |
| Age 21 to 24 | 4.2% | 6.3% | 5.2% |
| Age 25 to 34 | 8.4% | 18.0% | 13.8% |
| Age 35 to 44 | 11.0% | 11.8% | 12.9% |
| Age 45 to 54 | 10.7% | 10.8% | 12.6% |
| Age 55 to 59 | 3.2% | 5.8% | 6.7% |
| Age 60 to 64 | 10.1% | 7.5% | 6.3% |
| Age 65 to 74 | 8.0% | 9.8% | 9.6% |
| Age 75 to 84 | 13.0% | 4.1% | 4.5% |
| Age 85 and over | 12.7% | 1.8% | 1.9% |
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| Race | | | |
| | Hendricks, MN | Birmingham, AL | United States |
| White | 90.6% | 23.2% | 59.4% |
| Black | 3.9% | 68.6% | 12.2% |
| Asian | 0.0% | 1.4% | 5.6% |
| Native American | 0.2% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.5% | 0.4% |
| Two or More Races | 2.0% | 1.9% | 3.2% |
| Hispanic | 3.3% | 4.4% | 18.4% |
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| Marriage & Family | | | |
| | Hendricks, MN | Birmingham, AL | United States |
| Married Population | 46.0% | 31.1% | 49.8% |
| Currently Married | 44.6% | 27.4% | 48.0% |
| Married but Separated | 1.4% | 3.7% | 1.8% |
| Single Population | 54.0% | 68.9% | 50.2% |
| Never Married | 31.7% | 47.3% | 33.8% |
| Divorced | 9.3% | 14.6% | 10.8% |
| Widowed | 13.0% | 7.1% | 5.6% |
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| Household Size | 1.80 | 2.26 | 2.60 |
| Households | 343 | 85,521 | 124,010,992 |
| Family Households | 177 | 41,748 | 80,755,759 |
| Married couple, w/children | 10.2% | 14.8% | 30.5% |
| Married couple, no children | 54.2% | 33.5% | 42.9% |
| Non Family Households | 166 | 43,773 | 43,255,233 |
| Single householder, w/children | 23.7% | 27.5% | 15.8% |
| Single householder, no children | 11.9% | 24.3% | 10.8% |