| | Colfax, LA | Cullen, LA | United States |
| Population | 2,010 | 877 | 329,725,481 |
| Female Population | 47.5% | 51.3% | 50.5% |
| Male Population | 52.5% | 48.7% | 49.5% |
| Median Age | 34 | 37.3 | 38.4 |
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| Population - 2010 | 1,540 | 1,161 | 309,327,143 |
| Population - 2000 | 1,659 | 1,296 | 285,036,114 |
| Population - 1990 | 1,696 | 1,642 | 251,960,433 |
| Pop. 2000 to Now | -13.7% | -18.5% | 15.6% |
| Pop. 1990 to Now | -15.6% | -35.7% | 30.8% |
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| Population Density | 1,348.1 | 760.6 | 93.4 |
| Land Area | 1.5 | 1.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Colfax, LA | Cullen, LA | United States |
| Age 0 to 4 | 11.0% | 4.2% | 5.9% |
| Age 5 to 9 | 7.6% | 9.8% | 6.1% |
| Age 10 to 14 | 4.5% | 12.1% | 6.6% |
| Age 15 to 17 | 3.7% | 0.7% | 3.9% |
| Age 18 to 20 | 5.8% | 11.2% | 4.0% |
| Age 21 to 24 | 6.4% | 1.4% | 5.2% |
| Age 25 to 34 | 11.2% | 10.3% | 13.8% |
| Age 35 to 44 | 7.2% | 8.1% | 12.9% |
| Age 45 to 54 | 12.9% | 11.9% | 12.6% |
| Age 55 to 59 | 7.3% | 13.3% | 6.7% |
| Age 60 to 64 | 8.5% | 2.5% | 6.3% |
| Age 65 to 74 | 6.2% | 10.4% | 9.6% |
| Age 75 to 84 | 4.7% | 4.1% | 4.5% |
| Age 85 and over | 3.0% | 0.1% | 1.9% |
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| Race | | | |
| | Colfax, LA | Cullen, LA | United States |
| White | 25.5% | 7.1% | 59.4% |
| Black | 69.2% | 92.5% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.0% | 0.4% |
| Two or More Races | 2.2% | 0.5% | 3.2% |
| Hispanic | 2.7% | 0.0% | 18.4% |
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| Marriage & Family | | | |
| | Colfax, LA | Cullen, LA | United States |
| Married Population | 22.4% | 28.4% | 49.8% |
| Currently Married | 18.3% | 27.5% | 48.0% |
| Married but Separated | 4.1% | 0.9% | 1.8% |
| Single Population | 77.6% | 71.6% | 50.2% |
| Never Married | 51.8% | 54.9% | 33.8% |
| Divorced | 13.8% | 8.2% | 10.8% |
| Widowed | 12.0% | 8.5% | 5.6% |
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| Household Size | 3.12 | 2.53 | 2.60 |
| Households | 579 | 346 | 124,010,992 |
| Family Households | 327 | 196 | 80,755,759 |
| Married couple, w/children | 10.4% | 17.9% | 30.5% |
| Married couple, no children | 24.5% | 23.0% | 42.9% |
| Non Family Households | 252 | 150 | 43,255,233 |
| Single householder, w/children | 40.4% | 21.9% | 15.8% |
| Single householder, no children | 24.8% | 37.2% | 10.8% |