| | Corsicana, TX | Trinidad, CO | United States |
| Population | 24,589 | 8,318 | 329,725,481 |
| Female Population | 49.8% | 47.2% | 50.5% |
| Male Population | 50.2% | 52.9% | 49.5% |
| Median Age | 35.4 | 43.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 23,839 | 9,011 | 309,327,143 |
| Population - 2000 | 24,485 | 9,078 | 285,036,114 |
| Population - 1990 | 22,911 | 8,580 | 251,960,433 |
| Pop. 2000 to Now | -2.8% | -10.5% | 15.6% |
| Pop. 1990 to Now | 3.9% | -5.3% | 30.8% |
| space4 | | | |
| Population Density | 1,090.7 | 886.2 | 93.4 |
| Land Area | 22.5 | 9.4 | 3,531,905.4 |
| Water Area | 1.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Corsicana, TX | Trinidad, CO | United States |
| Age 0 to 4 | 8.4% | 4.5% | 5.9% |
| Age 5 to 9 | 7.5% | 5.2% | 6.1% |
| Age 10 to 14 | 7.2% | 5.0% | 6.6% |
| Age 15 to 17 | 4.2% | 4.4% | 3.9% |
| Age 18 to 20 | 4.6% | 4.0% | 4.0% |
| Age 21 to 24 | 5.7% | 4.7% | 5.2% |
| Age 25 to 34 | 12.0% | 12.9% | 13.8% |
| Age 35 to 44 | 13.0% | 12.4% | 12.9% |
| Age 45 to 54 | 10.6% | 11.8% | 12.6% |
| Age 55 to 59 | 6.3% | 8.1% | 6.7% |
| Age 60 to 64 | 5.0% | 6.5% | 6.3% |
| Age 65 to 74 | 9.4% | 12.6% | 9.6% |
| Age 75 to 84 | 4.0% | 5.3% | 4.5% |
| Age 85 and over | 2.3% | 2.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Corsicana, TX | Trinidad, CO | United States |
| White | 40.2% | 46.3% | 59.4% |
| Black | 15.9% | 0.2% | 12.2% |
| Asian | 1.3% | 1.0% | 5.6% |
| Native American | 0.1% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 3.3% | 0.0% | 0.2% |
| Other | 0.1% | 0.7% | 0.4% |
| Two or More Races | 3.7% | 4.6% | 3.2% |
| Hispanic | 35.3% | 46.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Corsicana, TX | Trinidad, CO | United States |
| Married Population | 47.1% | 41.2% | 49.8% |
| Currently Married | 45.0% | 38.9% | 48.0% |
| Married but Separated | 2.1% | 2.3% | 1.8% |
| Single Population | 52.9% | 58.8% | 50.2% |
| Never Married | 33.3% | 34.7% | 33.8% |
| Divorced | 11.9% | 16.7% | 10.8% |
| Widowed | 7.6% | 7.5% | 5.6% |
| space5 | | | |
| Household Size | 2.92 | 2.12 | 2.60 |
| Households | 8,159 | 3,756 | 124,010,992 |
| Family Households | 5,473 | 2,028 | 80,755,759 |
| Married couple, w/children | 24.0% | 19.1% | 30.5% |
| Married couple, no children | 40.7% | 44.6% | 42.9% |
| Non Family Households | 2,686 | 1,728 | 43,255,233 |
| Single householder, w/children | 22.1% | 25.8% | 15.8% |
| Single householder, no children | 13.2% | 10.5% | 10.8% |