| | West Columbia, TX | Needville, TX | United States |
| Population | 3,674 | 3,059 | 329,725,481 |
| Female Population | 54.4% | 43.3% | 50.5% |
| Male Population | 45.6% | 56.7% | 49.5% |
| Median Age | 45 | 41.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,897 | 2,949 | 309,327,143 |
| Population - 2000 | 4,255 | 2,609 | 285,036,114 |
| Population - 1990 | 4,372 | 2,199 | 251,960,433 |
| Pop. 2000 to Now | -10.0% | 20.0% | 15.6% |
| Pop. 1990 to Now | -12.4% | 42.4% | 30.8% |
| space4 | | | |
| Population Density | 1,465.5 | 1,523.4 | 93.4 |
| Land Area | 2.5 | 2.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | West Columbia, TX | Needville, TX | United States |
| Age 0 to 4 | 4.1% | 5.9% | 5.9% |
| Age 5 to 9 | 8.1% | 5.5% | 6.1% |
| Age 10 to 14 | 6.1% | 8.3% | 6.6% |
| Age 15 to 17 | 2.2% | 2.8% | 3.9% |
| Age 18 to 20 | 3.4% | 2.5% | 4.0% |
| Age 21 to 24 | 7.5% | 4.4% | 5.2% |
| Age 25 to 34 | 8.1% | 10.8% | 13.8% |
| Age 35 to 44 | 10.6% | 19.8% | 12.9% |
| Age 45 to 54 | 17.8% | 10.7% | 12.6% |
| Age 55 to 59 | 7.4% | 2.7% | 6.7% |
| Age 60 to 64 | 3.4% | 11.0% | 6.3% |
| Age 65 to 74 | 17.0% | 9.5% | 9.6% |
| Age 75 to 84 | 2.6% | 2.3% | 4.5% |
| Age 85 and over | 1.8% | 3.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | West Columbia, TX | Needville, TX | United States |
| White | 38.3% | 48.8% | 59.4% |
| Black | 23.8% | 5.5% | 12.2% |
| Asian | 0.0% | 0.1% | 5.6% |
| Native American | 0.0% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.3% | 0.7% | 3.2% |
| Hispanic | 36.6% | 44.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | West Columbia, TX | Needville, TX | United States |
| Married Population | 43.9% | 45.8% | 49.8% |
| Currently Married | 43.9% | 43.0% | 48.0% |
| Married but Separated | 0.0% | 2.8% | 1.8% |
| Single Population | 56.1% | 54.2% | 50.2% |
| Never Married | 30.4% | 25.7% | 33.8% |
| Divorced | 14.0% | 22.2% | 10.8% |
| Widowed | 11.7% | 6.3% | 5.6% |
| space5 | | | |
| Household Size | 2.75 | 2.51 | 2.60 |
| Households | 1,333 | 1,196 | 124,010,992 |
| Family Households | 948 | 903 | 80,755,759 |
| Married couple, w/children | 33.0% | 28.7% | 30.5% |
| Married couple, no children | 33.3% | 24.5% | 42.9% |
| Non Family Households | 385 | 293 | 43,255,233 |
| Single householder, w/children | 7.3% | 18.9% | 15.8% |
| Single householder, no children | 26.4% | 27.9% | 10.8% |