| | Meadowbrook, AL | Mountain Brook, AL | United States |
| Population | 9,503 | 22,184 | 329,725,481 |
| Female Population | 51.0% | 51.6% | 50.5% |
| Male Population | 49.0% | 48.4% | 49.5% |
| Median Age | 41.5 | 41.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 8,772 | 20,316 | 309,327,143 |
| Population - 2000 | 4,697 | 20,604 | 285,036,114 |
| Population - 1990 | 4,621 | 19,810 | 251,960,433 |
| Pop. 2000 to Now | 105.6% | -2.8% | 15.6% |
| Pop. 1990 to Now | 108.9% | 1.1% | 30.8% |
| space4 | | | |
| Population Density | 2,214.1 | 1,729.8 | 93.4 |
| Land Area | 4.3 | 12.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Meadowbrook, AL | Mountain Brook, AL | United States |
| Age 0 to 4 | 5.3% | 8.3% | 5.9% |
| Age 5 to 9 | 7.1% | 6.8% | 6.1% |
| Age 10 to 14 | 6.4% | 7.5% | 6.6% |
| Age 15 to 17 | 4.1% | 5.1% | 3.9% |
| Age 18 to 20 | 4.0% | 3.0% | 4.0% |
| Age 21 to 24 | 4.5% | 1.6% | 5.2% |
| Age 25 to 34 | 10.5% | 10.3% | 13.8% |
| Age 35 to 44 | 13.4% | 10.9% | 12.9% |
| Age 45 to 54 | 17.7% | 16.0% | 12.6% |
| Age 55 to 59 | 7.0% | 5.0% | 6.7% |
| Age 60 to 64 | 6.8% | 7.0% | 6.3% |
| Age 65 to 74 | 9.5% | 12.1% | 9.6% |
| Age 75 to 84 | 3.0% | 3.1% | 4.5% |
| Age 85 and over | 0.7% | 3.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Meadowbrook, AL | Mountain Brook, AL | United States |
| White | 87.9% | 97.7% | 59.4% |
| Black | 8.2% | 0.4% | 12.2% |
| Asian | 0.5% | 1.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.2% | 0.4% |
| Two or More Races | 1.6% | 0.5% | 3.2% |
| Hispanic | 1.3% | 0.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Meadowbrook, AL | Mountain Brook, AL | United States |
| Married Population | 65.7% | 70.0% | 49.8% |
| Currently Married | 64.9% | 69.9% | 48.0% |
| Married but Separated | 0.8% | 0.1% | 1.8% |
| Single Population | 34.3% | 30.0% | 50.2% |
| Never Married | 24.7% | 21.5% | 33.8% |
| Divorced | 6.9% | 4.5% | 10.8% |
| Widowed | 2.7% | 4.0% | 5.6% |
| space5 | | | |
| Household Size | 2.75 | 2.65 | 2.60 |
| Households | 3,452 | 8,365 | 124,010,992 |
| Family Households | 2,809 | 6,315 | 80,755,759 |
| Married couple, w/children | 34.8% | 48.8% | 30.5% |
| Married couple, no children | 51.3% | 44.6% | 42.9% |
| Non Family Households | 643 | 2,050 | 43,255,233 |
| Single householder, w/children | 6.9% | 3.4% | 15.8% |
| Single householder, no children | 7.0% | 3.2% | 10.8% |