| | Bayou Blue, LA | Gardere, LA | United States |
| Population | 11,229 | 10,971 | 329,725,481 |
| Female Population | 53.7% | 51.1% | 50.5% |
| Male Population | 46.3% | 48.9% | 49.5% |
| Median Age | 35.5 | 25.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 11,186 | 10,515 | 309,327,143 |
| Population - 2000 | 8,698 | 8,992 | 285,036,114 |
| Population - 1990 | 6,996 | 7,209 | 251,960,433 |
| Pop. 2000 to Now | 42.0% | 23.2% | 15.6% |
| Pop. 1990 to Now | 76.5% | 53.7% | 30.8% |
| space4 | | | |
| Population Density | 482.7 | 3,303.5 | 93.4 |
| Land Area | 23.3 | 3.3 | 3,531,905.4 |
| Water Area | 0.3 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Bayou Blue, LA | Gardere, LA | United States |
| Age 0 to 4 | 6.3% | 7.7% | 5.9% |
| Age 5 to 9 | 6.7% | 10.3% | 6.1% |
| Age 10 to 14 | 8.2% | 8.6% | 6.6% |
| Age 15 to 17 | 2.2% | 1.4% | 3.9% |
| Age 18 to 20 | 2.0% | 5.7% | 4.0% |
| Age 21 to 24 | 3.7% | 14.8% | 5.2% |
| Age 25 to 34 | 20.2% | 19.7% | 13.8% |
| Age 35 to 44 | 11.7% | 11.1% | 12.9% |
| Age 45 to 54 | 11.0% | 10.3% | 12.6% |
| Age 55 to 59 | 7.6% | 3.8% | 6.7% |
| Age 60 to 64 | 6.9% | 1.6% | 6.3% |
| Age 65 to 74 | 8.9% | 3.8% | 9.6% |
| Age 75 to 84 | 2.3% | 1.1% | 4.5% |
| Age 85 and over | 2.3% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Bayou Blue, LA | Gardere, LA | United States |
| White | 78.9% | 24.0% | 59.4% |
| Black | 5.4% | 51.2% | 12.2% |
| Asian | 0.3% | 1.6% | 5.6% |
| Native American | 5.9% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 5.4% | 3.8% | 3.2% |
| Hispanic | 4.1% | 19.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Bayou Blue, LA | Gardere, LA | United States |
| Married Population | 55.9% | 29.1% | 49.8% |
| Currently Married | 53.6% | 27.2% | 48.0% |
| Married but Separated | 2.4% | 1.9% | 1.8% |
| Single Population | 44.1% | 70.9% | 50.2% |
| Never Married | 29.3% | 56.5% | 33.8% |
| Divorced | 9.4% | 12.9% | 10.8% |
| Widowed | 5.4% | 1.5% | 5.6% |
| space5 | | | |
| Household Size | 2.81 | 2.81 | 2.60 |
| Households | 3,991 | 3,898 | 124,010,992 |
| Family Households | 2,884 | 2,250 | 80,755,759 |
| Married couple, w/children | 41.4% | 26.0% | 30.5% |
| Married couple, no children | 37.6% | 15.2% | 42.9% |
| Non Family Households | 1,107 | 1,648 | 43,255,233 |
| Single householder, w/children | 11.2% | 38.0% | 15.8% |
| Single householder, no children | 9.7% | 20.8% | 10.8% |