| | Denison, TX | LaGrange, GA | United States |
| Population | 24,324 | 31,053 | 329,725,481 |
| Female Population | 51.8% | 54.0% | 50.5% |
| Male Population | 48.2% | 46.0% | 49.5% |
| Median Age | 39.4 | 34.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 22,749 | 29,447 | 309,327,143 |
| Population - 2000 | 22,773 | 25,998 | 285,036,114 |
| Population - 1990 | 21,505 | 25,597 | 251,960,433 |
| Pop. 2000 to Now | 13.3% | 18.2% | 15.6% |
| Pop. 1990 to Now | 19.9% | 20.1% | 30.8% |
| space4 | | | |
| Population Density | 851.2 | 737.3 | 93.4 |
| Land Area | 28.6 | 42.1 | 3,531,905.4 |
| Water Area | 0.5 | 0.8 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Denison, TX | LaGrange, GA | United States |
| Age 0 to 4 | 6.5% | 6.0% | 5.9% |
| Age 5 to 9 | 6.3% | 6.5% | 6.1% |
| Age 10 to 14 | 7.2% | 8.6% | 6.6% |
| Age 15 to 17 | 4.6% | 3.6% | 3.9% |
| Age 18 to 20 | 3.8% | 3.8% | 4.0% |
| Age 21 to 24 | 4.6% | 7.1% | 5.2% |
| Age 25 to 34 | 11.3% | 15.3% | 13.8% |
| Age 35 to 44 | 9.9% | 11.9% | 12.9% |
| Age 45 to 54 | 13.5% | 12.4% | 12.6% |
| Age 55 to 59 | 5.7% | 5.6% | 6.7% |
| Age 60 to 64 | 8.3% | 6.2% | 6.3% |
| Age 65 to 74 | 9.6% | 7.0% | 9.6% |
| Age 75 to 84 | 5.7% | 3.1% | 4.5% |
| Age 85 and over | 2.9% | 2.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Denison, TX | LaGrange, GA | United States |
| White | 74.1% | 36.5% | 59.4% |
| Black | 8.9% | 52.5% | 12.2% |
| Asian | 0.7% | 3.3% | 5.6% |
| Native American | 0.6% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.5% | 0.4% |
| Two or More Races | 5.6% | 1.6% | 3.2% |
| Hispanic | 10.2% | 5.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Denison, TX | LaGrange, GA | United States |
| Married Population | 47.4% | 38.4% | 49.8% |
| Currently Married | 45.3% | 35.4% | 48.0% |
| Married but Separated | 2.0% | 3.0% | 1.8% |
| Single Population | 52.6% | 61.6% | 50.2% |
| Never Married | 27.3% | 42.4% | 33.8% |
| Divorced | 17.0% | 12.3% | 10.8% |
| Widowed | 8.3% | 6.9% | 5.6% |
| space5 | | | |
| Household Size | 2.52 | 2.53 | 2.60 |
| Households | 9,526 | 11,997 | 124,010,992 |
| Family Households | 6,058 | 7,173 | 80,755,759 |
| Married couple, w/children | 29.0% | 21.8% | 30.5% |
| Married couple, no children | 39.6% | 30.7% | 42.9% |
| Non Family Households | 3,468 | 4,824 | 43,255,233 |
| Single householder, w/children | 19.2% | 36.3% | 15.8% |
| Single householder, no children | 12.2% | 11.2% | 10.8% |