| | Barton Creek, TX | Westland, MI | United States |
| Population | 3,183 | 84,961 | 329,725,481 |
| Female Population | 52.6% | 53.6% | 50.5% |
| Male Population | 47.4% | 46.4% | 49.5% |
| Median Age | 54.7 | 38.6 | 38.4 |
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| Population - 2010 | 2,386 | 83,960 | 309,327,143 |
| Population - 2000 | 1,589 | 86,602 | 285,036,114 |
| Population - 1990 | 353 | 84,724 | 251,960,433 |
| Pop. 2000 to Now | 107.3% | -6.3% | 15.6% |
| Pop. 1990 to Now | 833.1% | -4.3% | 30.8% |
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| Population Density | 649.5 | 4,158.2 | 93.4 |
| Land Area | 4.9 | 20.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Barton Creek, TX | Westland, MI | United States |
| Age 0 to 4 | 2.3% | 7.1% | 5.9% |
| Age 5 to 9 | 4.6% | 5.9% | 6.1% |
| Age 10 to 14 | 2.8% | 5.9% | 6.6% |
| Age 15 to 17 | 6.3% | 2.9% | 3.9% |
| Age 18 to 20 | 1.1% | 2.8% | 4.0% |
| Age 21 to 24 | 3.5% | 5.1% | 5.2% |
| Age 25 to 34 | 4.5% | 15.4% | 13.8% |
| Age 35 to 44 | 5.3% | 12.2% | 12.9% |
| Age 45 to 54 | 20.5% | 12.7% | 12.6% |
| Age 55 to 59 | 12.0% | 6.8% | 6.7% |
| Age 60 to 64 | 8.1% | 6.7% | 6.3% |
| Age 65 to 74 | 17.3% | 10.0% | 9.6% |
| Age 75 to 84 | 6.8% | 4.4% | 4.5% |
| Age 85 and over | 4.9% | 2.0% | 1.9% |
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| Race | | | |
| | Barton Creek, TX | Westland, MI | United States |
| White | 93.9% | 63.7% | 59.4% |
| Black | 0.9% | 22.1% | 12.2% |
| Asian | 1.9% | 4.0% | 5.6% |
| Native American | 0.0% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 0.7% | 4.9% | 3.2% |
| Hispanic | 2.6% | 4.9% | 18.4% |
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| Marriage & Family | | | |
| | Barton Creek, TX | Westland, MI | United States |
| Married Population | 69.8% | 40.6% | 49.8% |
| Currently Married | 68.5% | 39.0% | 48.0% |
| Married but Separated | 1.3% | 1.6% | 1.8% |
| Single Population | 30.2% | 59.4% | 50.2% |
| Never Married | 14.6% | 37.7% | 33.8% |
| Divorced | 9.6% | 15.1% | 10.8% |
| Widowed | 6.0% | 6.6% | 5.6% |
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| Household Size | 2.16 | 2.39 | 2.60 |
| Households | 1,405 | 35,263 | 124,010,992 |
| Family Households | 958 | 19,762 | 80,755,759 |
| Married couple, w/children | 35.4% | 25.4% | 30.5% |
| Married couple, no children | 61.9% | 38.6% | 42.9% |
| Non Family Households | 447 | 15,501 | 43,255,233 |
| Single householder, w/children | 0.0% | 20.1% | 15.8% |
| Single householder, no children | 2.7% | 15.9% | 10.8% |