| | Kings Park, NY | Huntington Beach, CA | United States |
| Population | 16,008 | 198,735 | 329,725,481 |
| Female Population | 53.0% | 49.6% | 50.5% |
| Male Population | 47.0% | 50.4% | 49.5% |
| Median Age | 45.9 | 43.1 | 38.4 |
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| Population - 2010 | 16,981 | 191,080 | 309,327,143 |
| Population - 2000 | 16,146 | 189,594 | 285,036,114 |
| Population - 1990 | 17,773 | 181,519 | 251,960,433 |
| Pop. 2000 to Now | 2.4% | 4.6% | 15.6% |
| Pop. 1990 to Now | -7.0% | 9.2% | 30.8% |
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| Population Density | 2,569.1 | 7,359.7 | 93.4 |
| Land Area | 6.2 | 27.0 | 3,531,905.4 |
| Water Area | 0.4 | 5.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Kings Park, NY | Huntington Beach, CA | United States |
| Age 0 to 4 | 5.0% | 5.1% | 5.9% |
| Age 5 to 9 | 5.8% | 4.6% | 6.1% |
| Age 10 to 14 | 4.7% | 5.5% | 6.6% |
| Age 15 to 17 | 4.6% | 3.5% | 3.9% |
| Age 18 to 20 | 2.0% | 2.9% | 4.0% |
| Age 21 to 24 | 3.8% | 4.6% | 5.2% |
| Age 25 to 34 | 11.4% | 14.1% | 13.8% |
| Age 35 to 44 | 12.2% | 12.5% | 12.9% |
| Age 45 to 54 | 15.5% | 14.3% | 12.6% |
| Age 55 to 59 | 6.7% | 7.8% | 6.7% |
| Age 60 to 64 | 6.6% | 6.8% | 6.3% |
| Age 65 to 74 | 9.6% | 10.6% | 9.6% |
| Age 75 to 84 | 5.9% | 5.5% | 4.5% |
| Age 85 and over | 6.3% | 2.1% | 1.9% |
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| Race | | | |
| | Kings Park, NY | Huntington Beach, CA | United States |
| White | 88.0% | 60.2% | 59.4% |
| Black | 0.6% | 1.1% | 12.2% |
| Asian | 3.0% | 12.6% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.3% | 0.2% |
| Other | 0.0% | 0.5% | 0.4% |
| Two or More Races | 1.1% | 5.2% | 3.2% |
| Hispanic | 7.3% | 19.8% | 18.4% |
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| Marriage & Family | | | |
| | Kings Park, NY | Huntington Beach, CA | United States |
| Married Population | 52.1% | 49.3% | 49.8% |
| Currently Married | 51.8% | 48.0% | 48.0% |
| Married but Separated | 0.4% | 1.3% | 1.8% |
| Single Population | 47.9% | 50.7% | 50.2% |
| Never Married | 28.6% | 34.1% | 33.8% |
| Divorced | 10.2% | 12.0% | 10.8% |
| Widowed | 9.1% | 4.7% | 5.6% |
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| Household Size | 2.54 | 2.56 | 2.60 |
| Households | 6,188 | 77,143 | 124,010,992 |
| Family Households | 4,008 | 49,631 | 80,755,759 |
| Married couple, w/children | 35.3% | 29.0% | 30.5% |
| Married couple, no children | 44.2% | 45.8% | 42.9% |
| Non Family Households | 2,180 | 27,512 | 43,255,233 |
| Single householder, w/children | 6.5% | 11.1% | 15.8% |
| Single householder, no children | 14.0% | 14.1% | 10.8% |