| | Richwood, NJ | Camden, NJ | United States |
| Population | 3,878 | 72,381 | 329,725,481 |
| Female Population | 44.3% | 53.2% | 50.5% |
| Male Population | 55.7% | 46.8% | 49.5% |
| Median Age | 38.8 | 32.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,947 | 76,813 | 309,327,143 |
| Population - 2000 | 2,429 | 79,904 | 285,036,114 |
| Population - 1990 | 1,682 | 87,492 | 251,960,433 |
| Pop. 2000 to Now | 34.8% | -7.7% | 15.6% |
| Pop. 1990 to Now | 94.7% | -15.7% | 30.8% |
| space4 | | | |
| Population Density | 434.9 | 8,116.3 | 93.4 |
| Land Area | 8.9 | 8.9 | 3,531,905.4 |
| Water Area | 0.1 | 1.4 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Richwood, NJ | Camden, NJ | United States |
| Age 0 to 4 | 6.9% | 7.5% | 5.9% |
| Age 5 to 9 | 11.1% | 7.6% | 6.1% |
| Age 10 to 14 | 9.1% | 8.9% | 6.6% |
| Age 15 to 17 | 1.3% | 5.2% | 3.9% |
| Age 18 to 20 | 5.7% | 4.7% | 4.0% |
| Age 21 to 24 | 4.0% | 5.8% | 5.2% |
| Age 25 to 34 | 7.9% | 14.0% | 13.8% |
| Age 35 to 44 | 18.6% | 13.6% | 12.9% |
| Age 45 to 54 | 12.7% | 11.3% | 12.6% |
| Age 55 to 59 | 5.9% | 5.4% | 6.7% |
| Age 60 to 64 | 8.0% | 5.5% | 6.3% |
| Age 65 to 74 | 5.3% | 6.5% | 9.6% |
| Age 75 to 84 | 2.4% | 3.3% | 4.5% |
| Age 85 and over | 1.2% | 0.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Richwood, NJ | Camden, NJ | United States |
| White | 92.6% | 4.1% | 59.4% |
| Black | 0.6% | 39.3% | 12.2% |
| Asian | 0.0% | 1.7% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 1.7% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 0.2% | 1.6% | 3.2% |
| Hispanic | 4.8% | 52.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Richwood, NJ | Camden, NJ | United States |
| Married Population | 61.5% | 27.9% | 49.8% |
| Currently Married | 58.9% | 21.4% | 48.0% |
| Married but Separated | 2.6% | 6.4% | 1.8% |
| Single Population | 38.5% | 72.1% | 50.2% |
| Never Married | 26.2% | 55.9% | 33.8% |
| Divorced | 9.2% | 11.3% | 10.8% |
| Widowed | 3.1% | 5.0% | 5.6% |
| space5 | | | |
| Household Size | 3.59 | 2.79 | 2.60 |
| Households | 1,068 | 24,986 | 124,010,992 |
| Family Households | 923 | 16,102 | 80,755,759 |
| Married couple, w/children | 53.4% | 13.0% | 30.5% |
| Married couple, no children | 32.8% | 13.7% | 42.9% |
| Non Family Households | 145 | 8,884 | 43,255,233 |
| Single householder, w/children | 1.6% | 49.9% | 15.8% |
| Single householder, no children | 12.1% | 23.3% | 10.8% |