| | La Grange, TX | Columbus, TX | United States |
| Population | 4,407 | 3,582 | 329,725,481 |
| Female Population | 54.4% | 50.3% | 50.5% |
| Male Population | 45.6% | 49.8% | 49.5% |
| Median Age | 42.2 | 47.7 | 38.4 |
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| Population - 2010 | 4,651 | 3,658 | 309,327,143 |
| Population - 2000 | 4,478 | 3,916 | 285,036,114 |
| Population - 1990 | 3,951 | 3,367 | 251,960,433 |
| Pop. 2000 to Now | 4.5% | -5.5% | 15.6% |
| Pop. 1990 to Now | 18.5% | 9.9% | 30.8% |
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| Population Density | 1,065.5 | 1,247.7 | 93.4 |
| Land Area | 4.1 | 2.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | La Grange, TX | Columbus, TX | United States |
| Age 0 to 4 | 6.0% | 5.0% | 5.9% |
| Age 5 to 9 | 8.9% | 5.7% | 6.1% |
| Age 10 to 14 | 7.4% | 8.4% | 6.6% |
| Age 15 to 17 | 1.7% | 2.3% | 3.9% |
| Age 18 to 20 | 5.4% | 3.9% | 4.0% |
| Age 21 to 24 | 0.0% | 5.2% | 5.2% |
| Age 25 to 34 | 14.7% | 11.3% | 13.8% |
| Age 35 to 44 | 12.6% | 3.7% | 12.9% |
| Age 45 to 54 | 11.0% | 10.3% | 12.6% |
| Age 55 to 59 | 6.7% | 3.9% | 6.7% |
| Age 60 to 64 | 7.0% | 13.0% | 6.3% |
| Age 65 to 74 | 12.8% | 13.6% | 9.6% |
| Age 75 to 84 | 3.4% | 9.1% | 4.5% |
| Age 85 and over | 2.3% | 4.7% | 1.9% |
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| Race | | | |
| | La Grange, TX | Columbus, TX | United States |
| White | 54.6% | 63.2% | 59.4% |
| Black | 4.6% | 17.0% | 12.2% |
| Asian | 1.5% | 0.7% | 5.6% |
| Native American | 0.3% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 0.5% | 0.4% | 3.2% |
| Hispanic | 38.3% | 18.7% | 18.4% |
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| Marriage & Family | | | |
| | La Grange, TX | Columbus, TX | United States |
| Married Population | 49.9% | 57.1% | 49.8% |
| Currently Married | 48.1% | 56.3% | 48.0% |
| Married but Separated | 1.8% | 0.8% | 1.8% |
| Single Population | 50.1% | 42.9% | 50.2% |
| Never Married | 33.0% | 22.2% | 33.8% |
| Divorced | 8.5% | 8.9% | 10.8% |
| Widowed | 8.6% | 11.9% | 5.6% |
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| Household Size | 2.77 | 2.66 | 2.60 |
| Households | 1,557 | 1,262 | 124,010,992 |
| Family Households | 914 | 847 | 80,755,759 |
| Married couple, w/children | 24.2% | 22.3% | 30.5% |
| Married couple, no children | 50.5% | 64.0% | 42.9% |
| Non Family Households | 643 | 415 | 43,255,233 |
| Single householder, w/children | 11.3% | 9.3% | 15.8% |
| Single householder, no children | 14.0% | 4.4% | 10.8% |