| | Berkeley, NJ | Greenwood, MO | United States |
| Population | 43,412 | 6,008 | 329,725,481 |
| Female Population | 53.5% | 50.1% | 50.5% |
| Male Population | 46.5% | 49.9% | 49.5% |
| Median Age | 61.4 | 38.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 41,399 | 5,227 | 309,327,143 |
| Population - 2000 | 39,991 | 3,952 | 285,036,114 |
| Population - 1990 | 37,319 | 1,505 | 251,960,433 |
| Pop. 2000 to Now | 5.9% | 48.8% | 15.6% |
| Pop. 1990 to Now | 13.5% | 290.8% | 30.8% |
| space4 | | | |
| Population Density | 1,012.6 | 1,147.9 | 93.4 |
| Land Area | 42.9 | 5.2 | 3,531,905.4 |
| Water Area | 13.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Berkeley, NJ | Greenwood, MO | United States |
| Age 0 to 4 | 3.0% | 6.0% | 5.9% |
| Age 5 to 9 | 3.8% | 4.8% | 6.1% |
| Age 10 to 14 | 3.9% | 7.0% | 6.6% |
| Age 15 to 17 | 1.8% | 4.7% | 3.9% |
| Age 18 to 20 | 1.4% | 3.0% | 4.0% |
| Age 21 to 24 | 2.9% | 3.5% | 5.2% |
| Age 25 to 34 | 7.7% | 13.4% | 13.8% |
| Age 35 to 44 | 7.3% | 16.9% | 12.9% |
| Age 45 to 54 | 8.9% | 19.7% | 12.6% |
| Age 55 to 59 | 7.2% | 6.2% | 6.7% |
| Age 60 to 64 | 9.7% | 2.0% | 6.3% |
| Age 65 to 74 | 23.4% | 9.5% | 9.6% |
| Age 75 to 84 | 12.8% | 2.8% | 4.5% |
| Age 85 and over | 6.3% | 0.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Berkeley, NJ | Greenwood, MO | United States |
| White | 82.3% | 89.2% | 59.4% |
| Black | 2.9% | 3.5% | 12.2% |
| Asian | 3.8% | 0.3% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 2.0% | 0.4% |
| Two or More Races | 1.8% | 3.6% | 3.2% |
| Hispanic | 9.1% | 1.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Berkeley, NJ | Greenwood, MO | United States |
| Married Population | 52.4% | 61.9% | 49.8% |
| Currently Married | 51.2% | 61.2% | 48.0% |
| Married but Separated | 1.2% | 0.7% | 1.8% |
| Single Population | 47.6% | 38.1% | 50.2% |
| Never Married | 20.8% | 27.8% | 33.8% |
| Divorced | 12.0% | 8.9% | 10.8% |
| Widowed | 14.9% | 1.4% | 5.6% |
| space5 | | | |
| Household Size | 2.03 | 2.71 | 2.60 |
| Households | 21,126 | 2,216 | 124,010,992 |
| Family Households | 11,691 | 1,957 | 80,755,759 |
| Married couple, w/children | 17.7% | 26.0% | 30.5% |
| Married couple, no children | 63.4% | 50.3% | 42.9% |
| Non Family Households | 9,435 | 259 | 43,255,233 |
| Single householder, w/children | 6.2% | 12.2% | 15.8% |
| Single householder, no children | 12.8% | 11.5% | 10.8% |