| | Senoia, GA | Loganville, GA | United States |
| Population | 4,862 | 13,810 | 329,725,481 |
| Female Population | 49.5% | 54.4% | 50.5% |
| Male Population | 50.6% | 45.6% | 49.5% |
| Median Age | 36.2 | 35.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,441 | 10,476 | 309,327,143 |
| Population - 2000 | 1,738 | 5,435 | 285,036,114 |
| Population - 1990 | 956 | 3,180 | 251,960,433 |
| Pop. 2000 to Now | 160.5% | 144.9% | 15.6% |
| Pop. 1990 to Now | 373.6% | 318.6% | 30.8% |
| space4 | | | |
| Population Density | 825.5 | 1,881.5 | 93.4 |
| Land Area | 5.9 | 7.3 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Senoia, GA | Loganville, GA | United States |
| Age 0 to 4 | 5.1% | 8.0% | 5.9% |
| Age 5 to 9 | 9.3% | 5.2% | 6.1% |
| Age 10 to 14 | 4.3% | 8.9% | 6.6% |
| Age 15 to 17 | 3.1% | 3.2% | 3.9% |
| Age 18 to 20 | 2.8% | 4.9% | 4.0% |
| Age 21 to 24 | 5.5% | 5.4% | 5.2% |
| Age 25 to 34 | 16.7% | 14.2% | 13.8% |
| Age 35 to 44 | 11.8% | 14.7% | 12.9% |
| Age 45 to 54 | 16.1% | 14.6% | 12.6% |
| Age 55 to 59 | 6.2% | 4.6% | 6.7% |
| Age 60 to 64 | 6.8% | 4.2% | 6.3% |
| Age 65 to 74 | 8.9% | 5.6% | 9.6% |
| Age 75 to 84 | 2.3% | 4.2% | 4.5% |
| Age 85 and over | 0.9% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Senoia, GA | Loganville, GA | United States |
| White | 76.4% | 49.9% | 59.4% |
| Black | 16.9% | 32.8% | 12.2% |
| Asian | 0.9% | 3.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 3.8% | 4.2% | 3.2% |
| Hispanic | 1.9% | 9.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Senoia, GA | Loganville, GA | United States |
| Married Population | 68.9% | 52.0% | 49.8% |
| Currently Married | 64.3% | 50.3% | 48.0% |
| Married but Separated | 4.6% | 1.7% | 1.8% |
| Single Population | 31.1% | 48.0% | 50.2% |
| Never Married | 23.0% | 33.1% | 33.8% |
| Divorced | 5.9% | 10.3% | 10.8% |
| Widowed | 2.2% | 4.5% | 5.6% |
| space5 | | | |
| Household Size | 2.85 | 3.02 | 2.60 |
| Households | 1,706 | 4,550 | 124,010,992 |
| Family Households | 1,434 | 3,545 | 80,755,759 |
| Married couple, w/children | 33.7% | 36.7% | 30.5% |
| Married couple, no children | 47.7% | 33.5% | 42.9% |
| Non Family Households | 272 | 1,005 | 43,255,233 |
| Single householder, w/children | 9.1% | 20.2% | 15.8% |
| Single householder, no children | 9.6% | 9.6% | 10.8% |