| | Hollis Crossroads, AL | Waldo, AL | United States |
| Population | 676 | 305 | 329,725,481 |
| Female Population | 57.4% | 40.3% | 50.5% |
| Male Population | 42.6% | 59.7% | 49.5% |
| Median Age | 35.3 | 46.6 | 38.4 |
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| Population - 2010 | 540 | 276 | 309,327,143 |
| Population - 2000 | 597 | 281 | 285,036,114 |
| Population - 1990 | 544 | 309 | 251,960,433 |
| Pop. 2000 to Now | -0.5% | -3.2% | 15.6% |
| Pop. 1990 to Now | 9.2% | -12.0% | 30.8% |
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| Population Density | 54.3 | 108.5 | 93.4 |
| Land Area | 12.5 | 2.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Hollis Crossroads, AL | Waldo, AL | United States |
| Age 0 to 4 | 12.7% | 3.0% | 5.9% |
| Age 5 to 9 | 10.2% | 0.0% | 6.1% |
| Age 10 to 14 | 3.3% | 13.1% | 6.6% |
| Age 15 to 17 | 0.0% | 3.0% | 3.9% |
| Age 18 to 20 | 0.0% | 1.6% | 4.0% |
| Age 21 to 24 | 13.5% | 3.3% | 5.2% |
| Age 25 to 34 | 8.6% | 8.9% | 13.8% |
| Age 35 to 44 | 18.3% | 12.1% | 12.9% |
| Age 45 to 54 | 7.5% | 16.1% | 12.6% |
| Age 55 to 59 | 2.2% | 7.9% | 6.7% |
| Age 60 to 64 | 4.7% | 12.8% | 6.3% |
| Age 65 to 74 | 10.4% | 16.1% | 9.6% |
| Age 75 to 84 | 7.0% | 2.3% | 4.5% |
| Age 85 and over | 1.6% | 0.0% | 1.9% |
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| Race | | | |
| | Hollis Crossroads, AL | Waldo, AL | United States |
| White | 83.6% | 57.0% | 59.4% |
| Black | 0.0% | 38.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 4.9% | 3.2% |
| Hispanic | 16.4% | 0.0% | 18.4% |
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| Marriage & Family | | | |
| | Hollis Crossroads, AL | Waldo, AL | United States |
| Married Population | 55.1% | 41.4% | 49.8% |
| Currently Married | 55.1% | 41.4% | 48.0% |
| Married but Separated | 0.0% | 0.0% | 1.8% |
| Single Population | 44.9% | 58.6% | 50.2% |
| Never Married | 9.2% | 27.7% | 33.8% |
| Divorced | 16.4% | 25.0% | 10.8% |
| Widowed | 19.2% | 5.9% | 5.6% |
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| Household Size | 3.16 | 2.28 | 2.60 |
| Households | 214 | 134 | 124,010,992 |
| Family Households | 170 | 84 | 80,755,759 |
| Married couple, w/children | 35.9% | 11.9% | 30.5% |
| Married couple, no children | 43.5% | 46.4% | 42.9% |
| Non Family Households | 44 | 50 | 43,255,233 |
| Single householder, w/children | 5.3% | 32.1% | 15.8% |
| Single householder, no children | 15.3% | 9.5% | 10.8% |