| | Elizabeth, LA | Eunice, LA | United States |
| Population | 494 | 9,589 | 329,725,481 |
| Female Population | 55.7% | 51.5% | 50.5% |
| Male Population | 44.3% | 48.6% | 49.5% |
| Median Age | 28.5 | 34.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 532 | 10,397 | 309,327,143 |
| Population - 2000 | 574 | 11,499 | 285,036,114 |
| Population - 1990 | 414 | 11,162 | 251,960,433 |
| Pop. 2000 to Now | -7.3% | -16.0% | 15.6% |
| Pop. 1990 to Now | 28.5% | -13.5% | 30.8% |
| space4 | | | |
| Population Density | 300.3 | 1,866.3 | 93.4 |
| Land Area | 1.6 | 5.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Elizabeth, LA | Eunice, LA | United States |
| Age 0 to 4 | 5.9% | 9.0% | 5.9% |
| Age 5 to 9 | 7.1% | 5.7% | 6.1% |
| Age 10 to 14 | 12.6% | 9.7% | 6.6% |
| Age 15 to 17 | 9.3% | 2.6% | 3.9% |
| Age 18 to 20 | 4.0% | 4.0% | 4.0% |
| Age 21 to 24 | 8.7% | 7.6% | 5.2% |
| Age 25 to 34 | 14.2% | 11.9% | 13.8% |
| Age 35 to 44 | 12.6% | 9.9% | 12.9% |
| Age 45 to 54 | 10.5% | 11.4% | 12.6% |
| Age 55 to 59 | 3.8% | 5.0% | 6.7% |
| Age 60 to 64 | 4.9% | 4.9% | 6.3% |
| Age 65 to 74 | 1.0% | 10.3% | 9.6% |
| Age 75 to 84 | 5.5% | 6.4% | 4.5% |
| Age 85 and over | 0.0% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Elizabeth, LA | Eunice, LA | United States |
| White | 89.9% | 53.5% | 59.4% |
| Black | 2.0% | 35.7% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 2.8% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.0% | 0.4% |
| Two or More Races | 5.1% | 5.8% | 3.2% |
| Hispanic | 0.0% | 5.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Elizabeth, LA | Eunice, LA | United States |
| Married Population | 41.6% | 38.0% | 49.8% |
| Currently Married | 38.9% | 34.3% | 48.0% |
| Married but Separated | 2.7% | 3.8% | 1.8% |
| Single Population | 58.4% | 62.0% | 50.2% |
| Never Married | 34.8% | 38.3% | 33.8% |
| Divorced | 13.0% | 15.6% | 10.8% |
| Widowed | 10.6% | 8.1% | 5.6% |
| space5 | | | |
| Household Size | 2.74 | 2.61 | 2.60 |
| Households | 180 | 3,612 | 124,010,992 |
| Family Households | 142 | 2,238 | 80,755,759 |
| Married couple, w/children | 43.0% | 23.1% | 30.5% |
| Married couple, no children | 11.3% | 29.0% | 42.9% |
| Non Family Households | 38 | 1,374 | 43,255,233 |
| Single householder, w/children | 35.9% | 28.6% | 15.8% |
| Single householder, no children | 9.9% | 19.3% | 10.8% |