| | Gregory, TX | Corpus Christi, TX | United States |
| Population | 2,231 | 318,168 | 329,725,481 |
| Female Population | 49.0% | 50.3% | 50.5% |
| Male Population | 51.1% | 49.7% | 49.5% |
| Median Age | 29.4 | 35.6 | 38.4 |
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| Population - 2010 | 1,894 | 305,254 | 309,327,143 |
| Population - 2000 | 2,318 | 277,454 | 285,036,114 |
| Population - 1990 | 2,458 | 257,453 | 251,960,433 |
| Pop. 2000 to Now | -19.5% | 18.0% | 15.6% |
| Pop. 1990 to Now | -24.1% | 27.1% | 30.8% |
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| Population Density | 1,651.4 | 1,992.0 | 93.4 |
| Land Area | 1.4 | 159.7 | 3,531,905.4 |
| Water Area | 0.0 | 329.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Gregory, TX | Corpus Christi, TX | United States |
| Age 0 to 4 | 9.7% | 6.5% | 5.9% |
| Age 5 to 9 | 11.6% | 6.9% | 6.1% |
| Age 10 to 14 | 4.9% | 6.8% | 6.6% |
| Age 15 to 17 | 6.5% | 4.3% | 3.9% |
| Age 18 to 20 | 3.6% | 4.4% | 4.0% |
| Age 21 to 24 | 7.0% | 5.8% | 5.2% |
| Age 25 to 34 | 13.6% | 14.4% | 13.8% |
| Age 35 to 44 | 13.3% | 13.3% | 12.9% |
| Age 45 to 54 | 7.8% | 11.7% | 12.6% |
| Age 55 to 59 | 4.6% | 6.2% | 6.7% |
| Age 60 to 64 | 4.3% | 5.6% | 6.3% |
| Age 65 to 74 | 9.0% | 8.7% | 9.6% |
| Age 75 to 84 | 3.3% | 3.9% | 4.5% |
| Age 85 and over | 1.0% | 1.4% | 1.9% |
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| Race | | | |
| | Gregory, TX | Corpus Christi, TX | United States |
| White | 9.5% | 28.4% | 59.4% |
| Black | 0.2% | 3.8% | 12.2% |
| Asian | 0.0% | 2.3% | 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 | 0.4% | 1.1% | 3.2% |
| Hispanic | 89.9% | 64.2% | 18.4% |
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| Marriage & Family | | | |
| | Gregory, TX | Corpus Christi, TX | United States |
| Married Population | 35.8% | 47.7% | 49.8% |
| Currently Married | 33.0% | 45.3% | 48.0% |
| Married but Separated | 2.8% | 2.4% | 1.8% |
| Single Population | 64.2% | 52.3% | 50.2% |
| Never Married | 47.2% | 34.5% | 33.8% |
| Divorced | 11.1% | 12.3% | 10.8% |
| Widowed | 5.9% | 5.6% | 5.6% |
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| Household Size | 3.52 | 2.65 | 2.60 |
| Households | 634 | 117,210 | 124,010,992 |
| Family Households | 498 | 78,903 | 80,755,759 |
| Married couple, w/children | 25.1% | 29.9% | 30.5% |
| Married couple, no children | 22.3% | 36.9% | 42.9% |
| Non Family Households | 136 | 38,307 | 43,255,233 |
| Single householder, w/children | 31.7% | 20.2% | 15.8% |
| Single householder, no children | 20.9% | 12.9% | 10.8% |