| | Wallace, FL | Lake Mary, FL | United States |
| Population | 2,997 | 16,459 | 329,725,481 |
| Female Population | 47.7% | 56.1% | 50.5% |
| Male Population | 52.3% | 43.9% | 49.5% |
| Median Age | 40.7 | 43.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,856 | 13,803 | 309,327,143 |
| Population - 2000 | 1,091 | 11,458 | 285,036,114 |
| Population - 1990 | 506 | 5,929 | 251,960,433 |
| Pop. 2000 to Now | 117.8% | 52.6% | 15.6% |
| Pop. 1990 to Now | 369.6% | 194.9% | 30.8% |
| space4 | | | |
| Population Density | 254.8 | 1,812.7 | 93.4 |
| Land Area | 11.8 | 9.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.8 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Wallace, FL | Lake Mary, FL | United States |
| Age 0 to 4 | 9.4% | 5.5% | 5.9% |
| Age 5 to 9 | 4.3% | 4.3% | 6.1% |
| Age 10 to 14 | 6.4% | 5.2% | 6.6% |
| Age 15 to 17 | 3.5% | 4.3% | 3.9% |
| Age 18 to 20 | 2.5% | 3.0% | 4.0% |
| Age 21 to 24 | 1.2% | 4.0% | 5.2% |
| Age 25 to 34 | 17.1% | 11.4% | 13.8% |
| Age 35 to 44 | 10.8% | 14.1% | 12.9% |
| Age 45 to 54 | 9.2% | 15.0% | 12.6% |
| Age 55 to 59 | 7.6% | 6.4% | 6.7% |
| Age 60 to 64 | 8.5% | 7.3% | 6.3% |
| Age 65 to 74 | 11.7% | 11.5% | 9.6% |
| Age 75 to 84 | 7.7% | 4.9% | 4.5% |
| Age 85 and over | 0.0% | 3.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Wallace, FL | Lake Mary, FL | United States |
| White | 71.5% | 66.7% | 59.4% |
| Black | 2.5% | 9.3% | 12.2% |
| Asian | 10.3% | 8.1% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 1.6% | 0.4% |
| Two or More Races | 14.4% | 2.7% | 3.2% |
| Hispanic | 1.3% | 11.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Wallace, FL | Lake Mary, FL | United States |
| Married Population | 76.0% | 54.2% | 49.8% |
| Currently Married | 75.2% | 53.7% | 48.0% |
| Married but Separated | 0.8% | 0.5% | 1.8% |
| Single Population | 24.0% | 45.8% | 50.2% |
| Never Married | 10.3% | 24.1% | 33.8% |
| Divorced | 11.3% | 14.6% | 10.8% |
| Widowed | 2.3% | 7.1% | 5.6% |
| space5 | | | |
| Household Size | 2.80 | 2.53 | 2.60 |
| Households | 1,060 | 6,438 | 124,010,992 |
| Family Households | 863 | 4,622 | 80,755,759 |
| Married couple, w/children | 31.8% | 30.3% | 30.5% |
| Married couple, no children | 58.5% | 48.2% | 42.9% |
| Non Family Households | 197 | 1,816 | 43,255,233 |
| Single householder, w/children | 9.7% | 9.6% | 15.8% |
| Single householder, no children | 0.0% | 11.9% | 10.8% |