| | Colonia, NJ | Auburn, GA | United States |
| Population | 18,776 | 7,424 | 329,725,481 |
| Female Population | 51.9% | 49.3% | 50.5% |
| Male Population | 48.1% | 50.7% | 49.5% |
| Median Age | 42.9 | 33.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 18,100 | 7,028 | 309,327,143 |
| Population - 2000 | 17,811 | 6,904 | 285,036,114 |
| Population - 1990 | 18,238 | 3,139 | 251,960,433 |
| Pop. 2000 to Now | -2.2% | 14.5% | 15.6% |
| Pop. 1990 to Now | -4.4% | 151.7% | 30.8% |
| space4 | | | |
| Population Density | 4,782.5 | 1,101.5 | 93.4 |
| Land Area | 3.9 | 6.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Colonia, NJ | Auburn, GA | United States |
| Age 0 to 4 | 5.4% | 8.7% | 5.9% |
| Age 5 to 9 | 5.4% | 5.7% | 6.1% |
| Age 10 to 14 | 5.7% | 6.4% | 6.6% |
| Age 15 to 17 | 4.4% | 3.9% | 3.9% |
| Age 18 to 20 | 2.3% | 4.2% | 4.0% |
| Age 21 to 24 | 4.6% | 5.4% | 5.2% |
| Age 25 to 34 | 11.9% | 18.2% | 13.8% |
| Age 35 to 44 | 12.2% | 10.9% | 12.9% |
| Age 45 to 54 | 14.5% | 13.4% | 12.6% |
| Age 55 to 59 | 7.1% | 6.3% | 6.7% |
| Age 60 to 64 | 7.6% | 7.5% | 6.3% |
| Age 65 to 74 | 11.3% | 5.3% | 9.6% |
| Age 75 to 84 | 4.8% | 3.3% | 4.5% |
| Age 85 and over | 2.7% | 0.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Colonia, NJ | Auburn, GA | United States |
| White | 62.6% | 66.5% | 59.4% |
| Black | 6.4% | 6.6% | 12.2% |
| Asian | 14.2% | 4.8% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.8% | 0.0% | 0.4% |
| Two or More Races | 2.8% | 2.8% | 3.2% |
| Hispanic | 12.2% | 19.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Colonia, NJ | Auburn, GA | United States |
| Married Population | 54.7% | 58.8% | 49.8% |
| Currently Married | 54.1% | 56.3% | 48.0% |
| Married but Separated | 0.6% | 2.5% | 1.8% |
| Single Population | 45.3% | 41.2% | 50.2% |
| Never Married | 30.2% | 26.3% | 33.8% |
| Divorced | 7.1% | 9.7% | 10.8% |
| Widowed | 7.9% | 5.2% | 5.6% |
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| Household Size | 3.00 | 2.95 | 2.60 |
| Households | 6,249 | 2,513 | 124,010,992 |
| Family Households | 4,912 | 1,979 | 80,755,759 |
| Married couple, w/children | 34.2% | 36.0% | 30.5% |
| Married couple, no children | 44.4% | 41.4% | 42.9% |
| Non Family Households | 1,337 | 534 | 43,255,233 |
| Single householder, w/children | 6.7% | 13.3% | 15.8% |
| Single householder, no children | 14.8% | 9.3% | 10.8% |