| | Cuero, TX | Cotulla, TX | United States |
| Population | 8,200 | 3,737 | 329,725,481 |
| Female Population | 43.2% | 40.2% | 50.5% |
| Male Population | 56.8% | 59.8% | 49.5% |
| Median Age | 40 | 34.3 | 38.4 |
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| Population - 2010 | 8,229 | 3,614 | 309,327,143 |
| Population - 2000 | 6,571 | 3,614 | 285,036,114 |
| Population - 1990 | 6,700 | 3,694 | 251,960,433 |
| Pop. 2000 to Now | 25.2% | 14.4% | 15.6% |
| Pop. 1990 to Now | 22.8% | 11.9% | 30.8% |
| space4 | | | |
| Population Density | 1,249.2 | 1,859.2 | 93.4 |
| Land Area | 6.6 | 2.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Cuero, TX | Cotulla, TX | United States |
| Age 0 to 4 | 6.4% | 2.8% | 5.9% |
| Age 5 to 9 | 5.5% | 8.1% | 6.1% |
| Age 10 to 14 | 5.3% | 8.4% | 6.6% |
| Age 15 to 17 | 3.5% | 7.0% | 3.9% |
| Age 18 to 20 | 2.5% | 5.8% | 4.0% |
| Age 21 to 24 | 5.5% | 2.0% | 5.2% |
| Age 25 to 34 | 11.7% | 20.5% | 13.8% |
| Age 35 to 44 | 18.2% | 9.4% | 12.9% |
| Age 45 to 54 | 15.4% | 10.1% | 12.6% |
| Age 55 to 59 | 5.4% | 7.5% | 6.7% |
| Age 60 to 64 | 7.1% | 3.5% | 6.3% |
| Age 65 to 74 | 7.3% | 7.8% | 9.6% |
| Age 75 to 84 | 4.7% | 7.0% | 4.5% |
| Age 85 and over | 1.6% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Cuero, TX | Cotulla, TX | United States |
| White | 37.7% | 6.6% | 59.4% |
| Black | 14.5% | 0.2% | 12.2% |
| Asian | 0.1% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.2% | 0.5% | 3.2% |
| Hispanic | 45.4% | 92.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Cuero, TX | Cotulla, TX | United States |
| Married Population | 45.3% | 44.3% | 49.8% |
| Currently Married | 42.3% | 43.4% | 48.0% |
| Married but Separated | 3.0% | 0.9% | 1.8% |
| Single Population | 54.7% | 55.7% | 50.2% |
| Never Married | 32.7% | 38.3% | 33.8% |
| Divorced | 15.5% | 13.0% | 10.8% |
| Widowed | 6.5% | 4.4% | 5.6% |
| space5 | | | |
| Household Size | 2.77 | 3.02 | 2.60 |
| Households | 2,353 | 1,234 | 124,010,992 |
| Family Households | 1,539 | 1,041 | 80,755,759 |
| Married couple, w/children | 34.5% | 28.6% | 30.5% |
| Married couple, no children | 38.8% | 39.9% | 42.9% |
| Non Family Households | 814 | 193 | 43,255,233 |
| Single householder, w/children | 14.8% | 24.3% | 15.8% |
| Single householder, no children | 12.0% | 7.2% | 10.8% |