| | Oakdale, LA | Moss Bluff, LA | United States |
| Population | 7,092 | 11,453 | 329,725,481 |
| Female Population | 37.8% | 44.9% | 50.5% |
| Male Population | 62.2% | 55.1% | 49.5% |
| Median Age | 44.5 | 42.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 7,767 | 11,685 | 309,327,143 |
| Population - 2000 | 8,137 | 10,535 | 285,036,114 |
| Population - 1990 | 6,832 | 8,039 | 251,960,433 |
| Pop. 2000 to Now | -7.8% | 21.4% | 15.6% |
| Pop. 1990 to Now | 9.8% | 59.1% | 30.8% |
| space4 | | | |
| Population Density | 1,366.0 | 752.4 | 93.4 |
| Land Area | 5.2 | 15.2 | 3,531,905.4 |
| Water Area | 0.1 | 0.7 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Oakdale, LA | Moss Bluff, LA | United States |
| Age 0 to 4 | 3.7% | 4.0% | 5.9% |
| Age 5 to 9 | 5.6% | 3.9% | 6.1% |
| Age 10 to 14 | 3.3% | 8.2% | 6.6% |
| Age 15 to 17 | 0.5% | 5.2% | 3.9% |
| Age 18 to 20 | 1.5% | 2.4% | 4.0% |
| Age 21 to 24 | 5.6% | 3.4% | 5.2% |
| Age 25 to 34 | 12.5% | 12.9% | 13.8% |
| Age 35 to 44 | 18.4% | 16.0% | 12.9% |
| Age 45 to 54 | 16.4% | 12.6% | 12.6% |
| Age 55 to 59 | 7.0% | 6.6% | 6.7% |
| Age 60 to 64 | 6.1% | 9.0% | 6.3% |
| Age 65 to 74 | 12.6% | 11.5% | 9.6% |
| Age 75 to 84 | 4.0% | 3.2% | 4.5% |
| Age 85 and over | 2.8% | 1.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Oakdale, LA | Moss Bluff, LA | United States |
| White | 52.7% | 85.1% | 59.4% |
| Black | 26.5% | 9.9% | 12.2% |
| Asian | 0.9% | 0.3% | 5.6% |
| Native American | 1.1% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.3% | 0.9% | 3.2% |
| Hispanic | 17.6% | 3.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Oakdale, LA | Moss Bluff, LA | United States |
| Married Population | 42.2% | 62.2% | 49.8% |
| Currently Married | 36.9% | 56.5% | 48.0% |
| Married but Separated | 5.3% | 5.8% | 1.8% |
| Single Population | 57.8% | 37.8% | 50.2% |
| Never Married | 32.9% | 22.1% | 33.8% |
| Divorced | 16.2% | 12.3% | 10.8% |
| Widowed | 8.7% | 3.3% | 5.6% |
| space5 | | | |
| Household Size | 2.32 | 2.42 | 2.60 |
| Households | 2,048 | 4,737 | 124,010,992 |
| Family Households | 1,422 | 2,930 | 80,755,759 |
| Married couple, w/children | 22.7% | 33.4% | 30.5% |
| Married couple, no children | 43.3% | 54.2% | 42.9% |
| Non Family Households | 626 | 1,807 | 43,255,233 |
| Single householder, w/children | 17.0% | 6.5% | 15.8% |
| Single householder, no children | 16.9% | 5.9% | 10.8% |