| | Zapata, TX | Lufkin, TX | United States |
| Population | 4,928 | 34,264 | 329,725,481 |
| Female Population | 49.9% | 52.7% | 50.5% |
| Male Population | 50.1% | 47.3% | 49.5% |
| Median Age | 34.2 | 33.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 5,947 | 35,172 | 309,327,143 |
| Population - 2000 | 4,856 | 32,709 | 285,036,114 |
| Population - 1990 | 7,119 | 30,206 | 251,960,433 |
| Pop. 2000 to Now | -10.3% | 6.9% | 15.6% |
| Pop. 1990 to Now | -38.8% | 15.7% | 30.8% |
| space4 | | | |
| Population Density | 644.9 | 1,001.8 | 93.4 |
| Land Area | 7.6 | 34.2 | 3,531,905.4 |
| Water Area | 2.0 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Zapata, TX | Lufkin, TX | United States |
| Age 0 to 4 | 9.4% | 7.1% | 5.9% |
| Age 5 to 9 | 9.4% | 6.6% | 6.1% |
| Age 10 to 14 | 6.1% | 8.0% | 6.6% |
| Age 15 to 17 | 3.8% | 4.9% | 3.9% |
| Age 18 to 20 | 2.1% | 4.1% | 4.0% |
| Age 21 to 24 | 6.9% | 6.2% | 5.2% |
| Age 25 to 34 | 13.4% | 14.8% | 13.8% |
| Age 35 to 44 | 9.9% | 11.5% | 12.9% |
| Age 45 to 54 | 9.4% | 11.0% | 12.6% |
| Age 55 to 59 | 5.5% | 5.7% | 6.7% |
| Age 60 to 64 | 3.4% | 5.1% | 6.3% |
| Age 65 to 74 | 11.7% | 8.2% | 9.6% |
| Age 75 to 84 | 6.0% | 4.7% | 4.5% |
| Age 85 and over | 2.9% | 2.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Zapata, TX | Lufkin, TX | United States |
| White | 3.9% | 40.3% | 59.4% |
| Black | 0.0% | 23.4% | 12.2% |
| Asian | 0.0% | 1.9% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 1.2% | 1.4% | 3.2% |
| Hispanic | 94.9% | 32.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Zapata, TX | Lufkin, TX | United States |
| Married Population | 36.7% | 44.2% | 49.8% |
| Currently Married | 35.0% | 41.8% | 48.0% |
| Married but Separated | 1.7% | 2.4% | 1.8% |
| Single Population | 63.3% | 55.8% | 50.2% |
| Never Married | 36.1% | 33.8% | 33.8% |
| Divorced | 15.2% | 14.4% | 10.8% |
| Widowed | 12.0% | 7.5% | 5.6% |
| space5 | | | |
| Household Size | 2.71 | 2.67 | 2.60 |
| Households | 1,809 | 12,415 | 124,010,992 |
| Family Households | 951 | 7,933 | 80,755,759 |
| Married couple, w/children | 27.6% | 32.2% | 30.5% |
| Married couple, no children | 17.9% | 31.5% | 42.9% |
| Non Family Households | 858 | 4,482 | 43,255,233 |
| Single householder, w/children | 31.5% | 24.5% | 15.8% |
| Single householder, no children | 23.0% | 11.7% | 10.8% |