| | Arnoldsville, GA | Watkinsville, GA | United States |
| Population | 548 | 2,888 | 329,725,481 |
| Female Population | 52.7% | 57.7% | 50.5% |
| Male Population | 47.3% | 42.4% | 49.5% |
| Median Age | 41.8 | 36.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 356 | 2,851 | 309,327,143 |
| Population - 2000 | 312 | 2,097 | 285,036,114 |
| Population - 1990 | 275 | 1,600 | 251,960,433 |
| Pop. 2000 to Now | 18.3% | 41.3% | 15.6% |
| Pop. 1990 to Now | 34.2% | 85.1% | 30.8% |
| space4 | | | |
| Population Density | 322.5 | 884.0 | 93.4 |
| Land Area | 1.7 | 3.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Arnoldsville, GA | Watkinsville, GA | United States |
| Age 0 to 4 | 2.6% | 4.4% | 5.9% |
| Age 5 to 9 | 2.4% | 8.0% | 6.1% |
| Age 10 to 14 | 8.0% | 6.0% | 6.6% |
| Age 15 to 17 | 6.6% | 5.4% | 3.9% |
| Age 18 to 20 | 2.7% | 4.9% | 4.0% |
| Age 21 to 24 | 10.9% | 7.8% | 5.2% |
| Age 25 to 34 | 6.6% | 10.7% | 13.8% |
| Age 35 to 44 | 11.1% | 17.5% | 12.9% |
| Age 45 to 54 | 18.8% | 11.7% | 12.6% |
| Age 55 to 59 | 4.7% | 6.0% | 6.7% |
| Age 60 to 64 | 5.8% | 4.1% | 6.3% |
| Age 65 to 74 | 14.6% | 6.3% | 9.6% |
| Age 75 to 84 | 4.0% | 3.4% | 4.5% |
| Age 85 and over | 1.1% | 3.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Arnoldsville, GA | Watkinsville, GA | United States |
| White | 80.8% | 88.0% | 59.4% |
| Black | 6.4% | 3.7% | 12.2% |
| Asian | 0.0% | 1.9% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 2.9% | 3.2% |
| Hispanic | 12.8% | 3.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Arnoldsville, GA | Watkinsville, GA | United States |
| Married Population | 56.0% | 48.6% | 49.8% |
| Currently Married | 54.9% | 46.1% | 48.0% |
| Married but Separated | 1.0% | 2.5% | 1.8% |
| Single Population | 44.0% | 51.4% | 50.2% |
| Never Married | 27.5% | 31.1% | 33.8% |
| Divorced | 12.4% | 13.1% | 10.8% |
| Widowed | 4.2% | 7.2% | 5.6% |
| space5 | | | |
| Household Size | 2.46 | 2.68 | 2.60 |
| Households | 223 | 1,044 | 124,010,992 |
| Family Households | 172 | 696 | 80,755,759 |
| Married couple, w/children | 19.8% | 44.3% | 30.5% |
| Married couple, no children | 59.9% | 26.7% | 42.9% |
| Non Family Households | 51 | 348 | 43,255,233 |
| Single householder, w/children | 18.6% | 15.2% | 15.8% |
| Single householder, no children | 1.7% | 13.8% | 10.8% |