| | Woodcreek, TX | Austin, TX | United States |
| Population | 2,279 | 944,658 | 329,725,481 |
| Female Population | 54.0% | 49.1% | 50.5% |
| Male Population | 46.0% | 50.9% | 49.5% |
| Median Age | 53.3 | 33.9 | 38.4 |
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| Population - 2010 | 1,436 | 806,214 | 309,327,143 |
| Population - 2000 | 1,274 | 656,562 | 285,036,114 |
| Population - 1990 | 889 | 465,622 | 251,960,433 |
| Pop. 2000 to Now | 38.0% | 51.6% | 15.6% |
| Pop. 1990 to Now | 97.8% | 113.8% | 30.8% |
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| Population Density | 2,098.5 | 2,944.8 | 93.4 |
| Land Area | 1.1 | 320.8 | 3,531,905.4 |
| Water Area | 0.0 | 6.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Woodcreek, TX | Austin, TX | United States |
| Age 0 to 4 | 5.3% | 5.8% | 5.9% |
| Age 5 to 9 | 5.2% | 5.4% | 6.1% |
| Age 10 to 14 | 4.1% | 5.3% | 6.6% |
| Age 15 to 17 | 3.0% | 2.9% | 3.9% |
| Age 18 to 20 | 1.8% | 4.3% | 4.0% |
| Age 21 to 24 | 1.8% | 6.1% | 5.2% |
| Age 25 to 34 | 7.7% | 22.4% | 13.8% |
| Age 35 to 44 | 9.4% | 16.8% | 12.9% |
| Age 45 to 54 | 13.3% | 11.9% | 12.6% |
| Age 55 to 59 | 6.2% | 5.2% | 6.7% |
| Age 60 to 64 | 8.5% | 4.6% | 6.3% |
| Age 65 to 74 | 23.1% | 6.0% | 9.6% |
| Age 75 to 84 | 7.6% | 2.3% | 4.5% |
| Age 85 and over | 3.0% | 1.0% | 1.9% |
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| Race | | | |
| | Woodcreek, TX | Austin, TX | United States |
| White | 87.8% | 47.8% | 59.4% |
| Black | 0.0% | 7.3% | 12.2% |
| Asian | 0.0% | 8.1% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.3% | 0.4% |
| Two or More Races | 2.6% | 3.2% | 3.2% |
| Hispanic | 9.2% | 33.1% | 18.4% |
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| Marriage & Family | | | |
| | Woodcreek, TX | Austin, TX | United States |
| Married Population | 51.3% | 43.4% | 49.8% |
| Currently Married | 50.4% | 41.9% | 48.0% |
| Married but Separated | 0.9% | 1.4% | 1.8% |
| Single Population | 48.7% | 56.6% | 50.2% |
| Never Married | 15.1% | 43.0% | 33.8% |
| Divorced | 28.1% | 10.6% | 10.8% |
| Widowed | 5.6% | 3.0% | 5.6% |
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| Household Size | 2.06 | 2.28 | 2.60 |
| Households | 1,107 | 404,121 | 124,010,992 |
| Family Households | 568 | 206,176 | 80,755,759 |
| Married couple, w/children | 27.5% | 34.6% | 30.5% |
| Married couple, no children | 58.5% | 39.1% | 42.9% |
| Non Family Households | 539 | 197,945 | 43,255,233 |
| Single householder, w/children | 7.7% | 16.0% | 15.8% |
| Single householder, no children | 6.3% | 10.3% | 10.8% |