| | Manchaca, TX | Cedar Park, TX | United States |
| Population | 1,685 | 74,741 | 329,725,481 |
| Female Population | 44.0% | 49.9% | 50.5% |
| Male Population | 56.0% | 50.1% | 49.5% |
| Median Age | 37.4 | 36.1 | 38.4 |
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| Population - 2010 | 958 | 55,776 | 309,327,143 |
| Population - 2000 | 403 | 26,049 | 285,036,114 |
| Population - 1990 | 375 | 5,161 | 251,960,433 |
| Pop. 2000 to Now | 181.9% | 211.1% | 15.6% |
| Pop. 1990 to Now | 202.9% | 1,470.2% | 30.8% |
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| Population Density | 870.4 | 2,948.8 | 93.4 |
| Land Area | 1.9 | 25.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Manchaca, TX | Cedar Park, TX | United States |
| Age 0 to 4 | 13.4% | 5.8% | 5.9% |
| Age 5 to 9 | 2.1% | 7.2% | 6.1% |
| Age 10 to 14 | 4.2% | 9.0% | 6.6% |
| Age 15 to 17 | 4.6% | 4.4% | 3.9% |
| Age 18 to 20 | 1.4% | 2.9% | 4.0% |
| Age 21 to 24 | 2.6% | 3.6% | 5.2% |
| Age 25 to 34 | 17.9% | 15.5% | 13.8% |
| Age 35 to 44 | 15.9% | 17.4% | 12.9% |
| Age 45 to 54 | 13.5% | 14.5% | 12.6% |
| Age 55 to 59 | 6.3% | 5.4% | 6.7% |
| Age 60 to 64 | 9.1% | 4.3% | 6.3% |
| Age 65 to 74 | 6.5% | 6.4% | 9.6% |
| Age 75 to 84 | 2.6% | 2.6% | 4.5% |
| Age 85 and over | 0.0% | 1.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Manchaca, TX | Cedar Park, TX | United States |
| White | 67.1% | 60.8% | 59.4% |
| Black | 1.3% | 3.1% | 12.2% |
| Asian | 1.6% | 10.8% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 2.3% | 3.1% | 3.2% |
| Hispanic | 27.8% | 21.7% | 18.4% |
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| Marriage & Family | | | |
| | Manchaca, TX | Cedar Park, TX | United States |
| Married Population | 57.9% | 59.2% | 49.8% |
| Currently Married | 57.9% | 58.5% | 48.0% |
| Married but Separated | 0.0% | 0.7% | 1.8% |
| Single Population | 42.1% | 40.8% | 50.2% |
| Never Married | 17.0% | 27.5% | 33.8% |
| Divorced | 25.0% | 9.6% | 10.8% |
| Widowed | 0.0% | 3.8% | 5.6% |
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| Household Size | 3.02 | 2.74 | 2.60 |
| Households | 556 | 27,171 | 124,010,992 |
| Family Households | 389 | 19,716 | 80,755,759 |
| Married couple, w/children | 39.3% | 45.9% | 30.5% |
| Married couple, no children | 57.3% | 36.7% | 42.9% |
| Non Family Households | 167 | 7,455 | 43,255,233 |
| Single householder, w/children | 0.0% | 11.0% | 15.8% |
| Single householder, no children | 3.3% | 6.4% | 10.8% |