| | Woonsocket, RI | Bethpage, NY | United States |
| Population | 43,044 | 17,627 | 329,725,481 |
| Female Population | 51.1% | 50.2% | 50.5% |
| Male Population | 48.9% | 49.8% | 49.5% |
| Median Age | 35.6 | 47.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 41,262 | 16,627 | 309,327,143 |
| Population - 2000 | 43,224 | 16,543 | 285,036,114 |
| Population - 1990 | 43,877 | 15,761 | 251,960,433 |
| Pop. 2000 to Now | -3.9% | 2.6% | 15.6% |
| Pop. 1990 to Now | -5.3% | 7.7% | 30.8% |
| space4 | | | |
| Population Density | 5,556.2 | 4,929.3 | 93.4 |
| Land Area | 7.7 | 3.6 | 3,531,905.4 |
| Water Area | 0.2 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Woonsocket, RI | Bethpage, NY | United States |
| Age 0 to 4 | 7.2% | 4.8% | 5.9% |
| Age 5 to 9 | 5.5% | 6.7% | 6.1% |
| Age 10 to 14 | 5.8% | 5.0% | 6.6% |
| Age 15 to 17 | 3.6% | 3.2% | 3.9% |
| Age 18 to 20 | 3.2% | 1.9% | 4.0% |
| Age 21 to 24 | 5.7% | 4.7% | 5.2% |
| Age 25 to 34 | 17.8% | 9.8% | 13.8% |
| Age 35 to 44 | 11.9% | 10.8% | 12.9% |
| Age 45 to 54 | 13.1% | 14.3% | 12.6% |
| Age 55 to 59 | 5.7% | 7.7% | 6.7% |
| Age 60 to 64 | 7.1% | 8.4% | 6.3% |
| Age 65 to 74 | 8.0% | 11.8% | 9.6% |
| Age 75 to 84 | 3.8% | 5.7% | 4.5% |
| Age 85 and over | 1.6% | 5.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Woonsocket, RI | Bethpage, NY | United States |
| White | 58.1% | 74.5% | 59.4% |
| Black | 6.0% | 0.2% | 12.2% |
| Asian | 6.0% | 10.8% | 5.6% |
| Native American | 0.6% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.7% | 0.6% | 0.4% |
| Two or More Races | 5.7% | 1.1% | 3.2% |
| Hispanic | 22.9% | 12.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Woonsocket, RI | Bethpage, NY | United States |
| Married Population | 38.2% | 64.2% | 49.8% |
| Currently Married | 35.7% | 63.7% | 48.0% |
| Married but Separated | 2.6% | 0.6% | 1.8% |
| Single Population | 61.8% | 35.8% | 50.2% |
| Never Married | 41.7% | 22.9% | 33.8% |
| Divorced | 13.9% | 5.5% | 10.8% |
| Widowed | 6.2% | 7.3% | 5.6% |
| space5 | | | |
| Household Size | 2.51 | 2.89 | 2.60 |
| Households | 16,892 | 6,080 | 124,010,992 |
| Family Households | 9,994 | 4,752 | 80,755,759 |
| Married couple, w/children | 19.3% | 32.7% | 30.5% |
| Married couple, no children | 36.0% | 55.7% | 42.9% |
| Non Family Households | 6,898 | 1,328 | 43,255,233 |
| Single householder, w/children | 30.4% | 6.2% | 15.8% |
| Single householder, no children | 14.3% | 5.4% | 10.8% |