| | Commerce, GA | Clarkesville, GA | United States |
| Population | 7,213 | 1,644 | 329,725,481 |
| Female Population | 50.6% | 55.8% | 50.5% |
| Male Population | 49.4% | 44.2% | 49.5% |
| Median Age | 34.9 | 46 | 38.4 |
| space3 | | | |
| Population - 2010 | 6,559 | 1,711 | 309,327,143 |
| Population - 2000 | 5,292 | 1,248 | 285,036,114 |
| Population - 1990 | 4,108 | 1,151 | 251,960,433 |
| Pop. 2000 to Now | 38.5% | 47.7% | 15.6% |
| Pop. 1990 to Now | 78.4% | 60.1% | 30.8% |
| space4 | | | |
| Population Density | 597.2 | 668.8 | 93.4 |
| Land Area | 12.1 | 2.5 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Commerce, GA | Clarkesville, GA | United States |
| Age 0 to 4 | 8.0% | 8.3% | 5.9% |
| Age 5 to 9 | 6.8% | 5.1% | 6.1% |
| Age 10 to 14 | 10.3% | 4.4% | 6.6% |
| Age 15 to 17 | 5.4% | 0.9% | 3.9% |
| Age 18 to 20 | 2.6% | 1.2% | 4.0% |
| Age 21 to 24 | 1.0% | 4.6% | 5.2% |
| Age 25 to 34 | 16.1% | 13.0% | 13.8% |
| Age 35 to 44 | 13.2% | 10.6% | 12.9% |
| Age 45 to 54 | 10.3% | 10.8% | 12.6% |
| Age 55 to 59 | 2.2% | 6.6% | 6.7% |
| Age 60 to 64 | 6.8% | 5.8% | 6.3% |
| Age 65 to 74 | 7.7% | 15.0% | 9.6% |
| Age 75 to 84 | 5.8% | 4.4% | 4.5% |
| Age 85 and over | 3.7% | 9.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Commerce, GA | Clarkesville, GA | United States |
| White | 72.4% | 79.4% | 59.4% |
| Black | 16.9% | 9.1% | 12.2% |
| Asian | 1.3% | 2.3% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.0% | 0.4% |
| Two or More Races | 1.8% | 8.0% | 3.2% |
| Hispanic | 7.3% | 1.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Commerce, GA | Clarkesville, GA | United States |
| Married Population | 49.8% | 45.4% | 49.8% |
| Currently Married | 48.6% | 43.7% | 48.0% |
| Married but Separated | 1.1% | 1.7% | 1.8% |
| Single Population | 50.2% | 54.6% | 50.2% |
| Never Married | 27.3% | 24.9% | 33.8% |
| Divorced | 14.9% | 20.8% | 10.8% |
| Widowed | 8.0% | 8.9% | 5.6% |
| space5 | | | |
| Household Size | 2.95 | 2.16 | 2.60 |
| Households | 2,375 | 710 | 124,010,992 |
| Family Households | 1,820 | 365 | 80,755,759 |
| Married couple, w/children | 38.9% | 23.8% | 30.5% |
| Married couple, no children | 27.3% | 49.0% | 42.9% |
| Non Family Households | 555 | 345 | 43,255,233 |
| Single householder, w/children | 19.2% | 14.2% | 15.8% |
| Single householder, no children | 14.6% | 12.9% | 10.8% |