| | Ringwood, NJ | Greensboro, NC | United States |
| Population | 11,778 | 295,483 | 329,725,481 |
| Female Population | 49.7% | 53.5% | 50.5% |
| Male Population | 50.3% | 46.5% | 49.5% |
| Median Age | 43.1 | 34.5 | 38.4 |
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| Population - 2010 | 12,266 | 269,602 | 309,327,143 |
| Population - 2000 | 12,396 | 223,891 | 285,036,114 |
| Population - 1990 | 12,623 | 183,521 | 251,960,433 |
| Pop. 2000 to Now | -1.9% | 33.1% | 15.6% |
| Pop. 1990 to Now | -3.7% | 62.3% | 30.8% |
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| Population Density | 460.3 | 2,292.9 | 93.4 |
| Land Area | 25.6 | 128.9 | 3,531,905.4 |
| Water Area | 2.9 | 5.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Ringwood, NJ | Greensboro, NC | United States |
| Age 0 to 4 | 4.3% | 6.0% | 5.9% |
| Age 5 to 9 | 4.0% | 6.4% | 6.1% |
| Age 10 to 14 | 8.0% | 6.3% | 6.6% |
| Age 15 to 17 | 3.4% | 3.6% | 3.9% |
| Age 18 to 20 | 2.7% | 6.6% | 4.0% |
| Age 21 to 24 | 5.2% | 6.3% | 5.2% |
| Age 25 to 34 | 14.8% | 15.4% | 13.8% |
| Age 35 to 44 | 9.7% | 12.3% | 12.9% |
| Age 45 to 54 | 15.9% | 12.3% | 12.6% |
| Age 55 to 59 | 7.8% | 5.8% | 6.7% |
| Age 60 to 64 | 7.3% | 5.6% | 6.3% |
| Age 65 to 74 | 11.3% | 7.9% | 9.6% |
| Age 75 to 84 | 4.5% | 3.6% | 4.5% |
| Age 85 and over | 1.1% | 1.8% | 1.9% |
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| Race | | | |
| | Ringwood, NJ | Greensboro, NC | United States |
| White | 83.8% | 39.5% | 59.4% |
| Black | 1.1% | 42.6% | 12.2% |
| Asian | 1.9% | 5.3% | 5.6% |
| Native American | 1.3% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.2% | 0.6% | 0.4% |
| Two or More Races | 2.6% | 3.0% | 3.2% |
| Hispanic | 9.2% | 8.4% | 18.4% |
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| Marriage & Family | | | |
| | Ringwood, NJ | Greensboro, NC | United States |
| Married Population | 61.5% | 39.4% | 49.8% |
| Currently Married | 61.3% | 36.8% | 48.0% |
| Married but Separated | 0.2% | 2.6% | 1.8% |
| Single Population | 38.5% | 60.6% | 50.2% |
| Never Married | 27.2% | 43.8% | 33.8% |
| Divorced | 7.7% | 11.0% | 10.8% |
| Widowed | 3.6% | 5.9% | 5.6% |
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| Household Size | 2.77 | 2.36 | 2.60 |
| Households | 4,200 | 118,663 | 124,010,992 |
| Family Households | 3,377 | 67,098 | 80,755,759 |
| Married couple, w/children | 33.6% | 26.4% | 30.5% |
| Married couple, no children | 52.7% | 34.8% | 42.9% |
| Non Family Households | 823 | 51,565 | 43,255,233 |
| Single householder, w/children | 5.8% | 27.0% | 15.8% |
| Single householder, no children | 7.9% | 11.7% | 10.8% |