| | Whitney, TX | Waco, TX | United States |
| Population | 2,097 | 136,800 | 329,725,481 |
| Female Population | 54.1% | 51.7% | 50.5% |
| Male Population | 45.9% | 48.3% | 49.5% |
| Median Age | 36.4 | 29.1 | 38.4 |
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| Population - 2010 | 2,086 | 125,360 | 309,327,143 |
| Population - 2000 | 1,833 | 113,726 | 285,036,114 |
| Population - 1990 | 1,626 | 103,590 | 251,960,433 |
| Pop. 2000 to Now | 17.0% | 24.3% | 15.6% |
| Pop. 1990 to Now | 31.9% | 36.5% | 30.8% |
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| Population Density | 1,127.4 | 1,536.7 | 93.4 |
| Land Area | 1.9 | 89.0 | 3,531,905.4 |
| Water Area | 0.0 | 12.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Whitney, TX | Waco, TX | United States |
| Age 0 to 4 | 7.3% | 7.5% | 5.9% |
| Age 5 to 9 | 8.3% | 5.9% | 6.1% |
| Age 10 to 14 | 9.1% | 6.6% | 6.6% |
| Age 15 to 17 | 4.9% | 3.8% | 3.9% |
| Age 18 to 20 | 1.9% | 9.1% | 4.0% |
| Age 21 to 24 | 5.0% | 10.6% | 5.2% |
| Age 25 to 34 | 12.4% | 13.9% | 13.8% |
| Age 35 to 44 | 10.7% | 11.1% | 12.9% |
| Age 45 to 54 | 7.5% | 9.3% | 12.6% |
| Age 55 to 59 | 6.1% | 5.1% | 6.7% |
| Age 60 to 64 | 4.7% | 4.6% | 6.3% |
| Age 65 to 74 | 9.3% | 7.3% | 9.6% |
| Age 75 to 84 | 7.7% | 3.4% | 4.5% |
| Age 85 and over | 4.9% | 1.9% | 1.9% |
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| Race | | | |
| | Whitney, TX | Waco, TX | United States |
| White | 68.1% | 44.1% | 59.4% |
| Black | 6.2% | 20.5% | 12.2% |
| Asian | 1.5% | 2.1% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 2.7% | 2.0% | 3.2% |
| Hispanic | 21.5% | 31.0% | 18.4% |
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| Marriage & Family | | | |
| | Whitney, TX | Waco, TX | United States |
| Married Population | 38.8% | 38.1% | 49.8% |
| Currently Married | 37.4% | 36.1% | 48.0% |
| Married but Separated | 1.4% | 2.0% | 1.8% |
| Single Population | 61.2% | 61.9% | 50.2% |
| Never Married | 34.2% | 45.4% | 33.8% |
| Divorced | 14.5% | 11.1% | 10.8% |
| Widowed | 12.5% | 5.4% | 5.6% |
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| Household Size | 2.70 | 2.52 | 2.60 |
| Households | 727 | 50,990 | 124,010,992 |
| Family Households | 482 | 29,026 | 80,755,759 |
| Married couple, w/children | 17.2% | 28.2% | 30.5% |
| Married couple, no children | 34.9% | 33.3% | 42.9% |
| Non Family Households | 245 | 21,964 | 43,255,233 |
| Single householder, w/children | 38.2% | 26.2% | 15.8% |
| Single householder, no children | 9.8% | 12.4% | 10.8% |