| | Grand Bay, AL | Bellview, FL | United States |
| Population | 3,433 | 22,613 | 329,725,481 |
| Female Population | 50.8% | 52.7% | 50.5% |
| Male Population | 49.2% | 47.4% | 49.5% |
| Median Age | 40.8 | 40.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,764 | 24,535 | 309,327,143 |
| Population - 2000 | 3,918 | 21,201 | 285,036,114 |
| Population - 1990 | 3,383 | 19,386 | 251,960,433 |
| Pop. 2000 to Now | 3.6% | 6.3% | 15.6% |
| Pop. 1990 to Now | 19.9% | 16.3% | 30.8% |
| space4 | | | |
| Population Density | 395.7 | 1,942.0 | 93.4 |
| Land Area | 8.7 | 11.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Grand Bay, AL | Bellview, FL | United States |
| Age 0 to 4 | 4.6% | 8.1% | 5.9% |
| Age 5 to 9 | 6.1% | 5.4% | 6.1% |
| Age 10 to 14 | 13.0% | 4.2% | 6.6% |
| Age 15 to 17 | 1.3% | 3.8% | 3.9% |
| Age 18 to 20 | 1.3% | 1.6% | 4.0% |
| Age 21 to 24 | 2.1% | 5.5% | 5.2% |
| Age 25 to 34 | 7.3% | 15.8% | 13.8% |
| Age 35 to 44 | 20.3% | 10.7% | 12.9% |
| Age 45 to 54 | 12.5% | 11.6% | 12.6% |
| Age 55 to 59 | 10.3% | 7.8% | 6.7% |
| Age 60 to 64 | 4.5% | 7.3% | 6.3% |
| Age 65 to 74 | 12.2% | 10.0% | 9.6% |
| Age 75 to 84 | 3.2% | 7.2% | 4.5% |
| Age 85 and over | 1.1% | 1.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Grand Bay, AL | Bellview, FL | United States |
| White | 80.2% | 67.1% | 59.4% |
| Black | 14.7% | 18.6% | 12.2% |
| Asian | 0.0% | 2.4% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.6% | 0.2% |
| Other | 0.4% | 0.9% | 0.4% |
| Two or More Races | 2.4% | 5.9% | 3.2% |
| Hispanic | 2.2% | 4.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Grand Bay, AL | Bellview, FL | United States |
| Married Population | 61.2% | 43.1% | 49.8% |
| Currently Married | 58.1% | 41.3% | 48.0% |
| Married but Separated | 3.1% | 1.8% | 1.8% |
| Single Population | 38.8% | 56.9% | 50.2% |
| Never Married | 19.9% | 32.6% | 33.8% |
| Divorced | 7.6% | 15.5% | 10.8% |
| Widowed | 11.3% | 8.8% | 5.6% |
| space5 | | | |
| Household Size | 2.40 | 2.51 | 2.60 |
| Households | 1,400 | 8,994 | 124,010,992 |
| Family Households | 923 | 5,854 | 80,755,759 |
| Married couple, w/children | 23.6% | 23.4% | 30.5% |
| Married couple, no children | 49.3% | 36.8% | 42.9% |
| Non Family Households | 477 | 3,140 | 43,255,233 |
| Single householder, w/children | 21.1% | 16.2% | 15.8% |
| Single householder, no children | 6.0% | 23.6% | 10.8% |