| | Combine, TX | Kaufman, TX | United States |
| Population | 2,721 | 6,796 | 329,725,481 |
| Female Population | 50.9% | 52.1% | 50.5% |
| Male Population | 49.1% | 47.9% | 49.5% |
| Median Age | 41.8 | 30.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,047 | 6,622 | 309,327,143 |
| Population - 2000 | 1,788 | 6,490 | 285,036,114 |
| Population - 1990 | 1,329 | 5,238 | 251,960,433 |
| Pop. 2000 to Now | 41.9% | 32.1% | 15.6% |
| Pop. 1990 to Now | 90.9% | 63.7% | 30.8% |
| space4 | | | |
| Population Density | 407.0 | 758.7 | 93.4 |
| Land Area | 6.7 | 9.0 | 3,531,905.4 |
| Water Area | 0.3 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Combine, TX | Kaufman, TX | United States |
| Age 0 to 4 | 2.9% | 8.2% | 5.9% |
| Age 5 to 9 | 8.8% | 7.1% | 6.1% |
| Age 10 to 14 | 8.2% | 14.3% | 6.6% |
| Age 15 to 17 | 4.4% | 4.1% | 3.9% |
| Age 18 to 20 | 6.3% | 2.1% | 4.0% |
| Age 21 to 24 | 3.2% | 3.5% | 5.2% |
| Age 25 to 34 | 5.5% | 16.1% | 13.8% |
| Age 35 to 44 | 20.1% | 15.4% | 12.9% |
| Age 45 to 54 | 15.4% | 9.2% | 12.6% |
| Age 55 to 59 | 4.6% | 4.2% | 6.7% |
| Age 60 to 64 | 6.2% | 4.2% | 6.3% |
| Age 65 to 74 | 9.6% | 6.5% | 9.6% |
| Age 75 to 84 | 4.2% | 3.1% | 4.5% |
| Age 85 and over | 0.5% | 2.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Combine, TX | Kaufman, TX | United States |
| White | 66.4% | 56.2% | 59.4% |
| Black | 0.9% | 10.1% | 12.2% |
| Asian | 0.8% | 0.0% | 5.6% |
| Native American | 0.7% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 4.3% | 1.5% | 3.2% |
| Hispanic | 26.7% | 32.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Combine, TX | Kaufman, TX | United States |
| Married Population | 60.7% | 45.5% | 49.8% |
| Currently Married | 59.8% | 42.5% | 48.0% |
| Married but Separated | 0.8% | 2.9% | 1.8% |
| Single Population | 39.3% | 54.5% | 50.2% |
| Never Married | 25.6% | 32.0% | 33.8% |
| Divorced | 9.3% | 15.7% | 10.8% |
| Widowed | 4.4% | 6.9% | 5.6% |
| space5 | | | |
| Household Size | 3.27 | 2.90 | 2.60 |
| Households | 827 | 2,299 | 124,010,992 |
| Family Households | 711 | 1,470 | 80,755,759 |
| Married couple, w/children | 42.9% | 39.3% | 30.5% |
| Married couple, no children | 38.8% | 25.0% | 42.9% |
| Non Family Households | 116 | 829 | 43,255,233 |
| Single householder, w/children | 13.4% | 29.3% | 15.8% |
| Single householder, no children | 4.9% | 6.4% | 10.8% |