| | Raritan, NJ | Sun City, AZ | United States |
| Population | 7,993 | 37,693 | 329,725,481 |
| Female Population | 51.4% | 58.0% | 50.5% |
| Male Population | 48.6% | 42.0% | 49.5% |
| Median Age | 43.3 | 72.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 6,892 | 38,339 | 309,327,143 |
| Population - 2000 | 6,338 | 38,309 | 285,036,114 |
| Population - 1990 | 5,798 | 38,126 | 251,960,433 |
| Pop. 2000 to Now | 22.3% | 11.7% | 15.6% |
| Pop. 1990 to Now | 33.6% | 12.2% | 30.8% |
| space4 | | | |
| Population Density | 4,012.6 | 2,613.9 | 93.4 |
| Land Area | 2.0 | 14.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Raritan, NJ | Sun City, AZ | United States |
| Age 0 to 4 | 2.4% | 0.2% | 5.9% |
| Age 5 to 9 | 3.9% | 0.2% | 6.1% |
| Age 10 to 14 | 5.4% | 0.5% | 6.6% |
| Age 15 to 17 | 3.1% | 0.1% | 3.9% |
| Age 18 to 20 | 6.7% | 0.7% | 4.0% |
| Age 21 to 24 | 7.0% | 0.4% | 5.2% |
| Age 25 to 34 | 13.7% | 1.3% | 13.8% |
| Age 35 to 44 | 10.5% | 1.9% | 12.9% |
| Age 45 to 54 | 16.5% | 3.8% | 12.6% |
| Age 55 to 59 | 9.2% | 5.4% | 6.7% |
| Age 60 to 64 | 8.6% | 11.0% | 6.3% |
| Age 65 to 74 | 7.8% | 34.9% | 9.6% |
| Age 75 to 84 | 3.9% | 27.3% | 4.5% |
| Age 85 and over | 1.3% | 12.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Raritan, NJ | Sun City, AZ | United States |
| White | 59.7% | 91.4% | 59.4% |
| Black | 1.0% | 1.6% | 12.2% |
| Asian | 15.9% | 0.9% | 5.6% |
| Native American | 0.1% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 2.1% | 0.1% | 0.4% |
| Two or More Races | 0.9% | 1.0% | 3.2% |
| Hispanic | 20.4% | 4.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Raritan, NJ | Sun City, AZ | United States |
| Married Population | 55.0% | 53.7% | 49.8% |
| Currently Married | 54.6% | 52.8% | 48.0% |
| Married but Separated | 0.4% | 1.0% | 1.8% |
| Single Population | 45.0% | 46.3% | 50.2% |
| Never Married | 34.0% | 9.2% | 33.8% |
| Divorced | 6.4% | 19.1% | 10.8% |
| Widowed | 4.6% | 18.0% | 5.6% |
| space5 | | | |
| Household Size | 2.56 | 1.64 | 2.60 |
| Households | 3,119 | 22,793 | 124,010,992 |
| Family Households | 1,969 | 10,985 | 80,755,759 |
| Married couple, w/children | 30.5% | 1.3% | 30.5% |
| Married couple, no children | 55.3% | 86.3% | 42.9% |
| Non Family Households | 1,150 | 11,808 | 43,255,233 |
| Single householder, w/children | 4.6% | 0.7% | 15.8% |
| Single householder, no children | 9.7% | 11.7% | 10.8% |