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Syosset, NY Historical Household and Family Data
ACS 2010-2014 data
Total population: 18,872
| Syosset, NY | New York | U.S. | |
| Total Households | 6,172, 100% | 7,255,528 | 116,211,092 |
| Average Household Size | 3.02, see rank | 2.62 | 2.63 |
| 1 Person Households | 867, 14.05%, see rank | 29.55% | 27.57% |
| 2 or More Person Households | 5,305, 85.95%, see rank | 70.45% | 72.43% |
| Family Households (Families) | 5,247, 85.01%, see rank | 63.90% | 66.22% |
| Average Family Size | 3.36, see rank | 3.38 | 3.32 |
| Married-Couple Family | 4,518, 73.20%, see rank | 44.12% | 48.42% |
| Nonfamily Households | 925, 14.99%, see rank | 36.10% | 33.78% |
US Census 2010 data
Total population: 18,829
| Syosset, NY | New York | U.S. | |
| Total Households | 6,188, 100% | 7,317,755 | 116,716,292 |
| Average Household Size | 3.00, see rank | 2.57 | 2.58 |
| 1 Person Households | 839, 13.56%, see rank | 29.12% | 26.74% |
| 2 or More Person Households | 5,349, 86.44%, see rank | 70.88% | 73.26% |
| Family Households (Families) | 5,236, 84.62%, see rank | 63.54% | 66.43% |
| Average Family Size | 3.31, see rank | 3.20 | 3.14 |
| Married-Couple Family | 4,575, 73.93%, see rank | 43.63% | 48.42% |
| Nonfamily Households | 952, 15.38%, see rank | 36.46% | 33.57% |
ACS 2008-2012 data
Total population: 18,691
| Syosset, NY | New York | U.S. | |
| Total Households | 6,128, 100% | 7,230,896 | 115,226,802 |
| Average Household Size | 3.02, see rank | 2.60 | 2.61 |
| 1 Person Households | 751, 12.26%, see rank | 29.31% | 27.45% |
| 2 or More Person Households | 5,377, 87.74%, see rank | 70.69% | 72.55% |
| Family Households (Families) | 5,303, 86.54%, see rank | 64.26% | 66.47% |
| Average Family Size | 3.31, see rank | 3.35 | 3.29 |
| Married-Couple Family | 4,601, 75.08%, see rank | 44.60% | 48.97% |
| Nonfamily Households | 825, 13.46%, see rank | 35.74% | 33.53% |
ACS 2006-2010 data
Total population: 18,905
| Syosset, NY | New York | U.S. | |
| Total Households | 6,111, 100% | 7,205,740 | 114,235,996 |
| Average Household Size | 3.07, see rank | 2.59 | 2.59 |
| 1 Person Households | 644, 10.54%, see rank | 29.08% | 27.24% |
| 2 or More Person Households | 5,467, 89.46%, see rank | 70.92% | 72.76% |
| Family Households (Families) | 5,364, 87.78%, see rank | 64.62% | 66.75% |
| Average Family Size | 3.33, see rank | 3.31 | 3.25 |
| Married-Couple Family | 4,589, 75.09%, see rank | 45.20% | 49.60% |
| Nonfamily Households | 747, 12.22%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 19,174
| Syosset, NY | New York | U.S. | |
| Total Households | 6,158, 100% | 7,137,013 | 112,611,029 |
| Average Household Size | 3.09, see rank | 2.64 | 2.60 |
| 1 Person Households | 719, 11.68%, see rank | 29.48% | 27.32% |
| 2 or More Person Households | 5,439, 88.32%, see rank | 70.52% | 72.68% |
| Family Households (Families) | 5,317, 86.34%, see rank | 64.46% | 66.67% |
| Average Family Size | 3.39, see rank | 3.40 | 3.27 |
| Married-Couple Family | 4,734, 76.88%, see rank | 45.27% | 49.71% |
| Nonfamily Households | 841, 13.66%, see rank | 35.54% | 33.33% |
US Census 2000 data
Total population: 18,544
| Syosset, NY | New York | U.S. | |
| Total Households | 6,281, 100% | 7,056,860 | 105,480,101 |
| Average Household Size | 2.92, see rank | 2.61 | 2.59 |
| 1 Person Households | 863, 13.74%, see rank | 28.10% | 25.82% |
| 2 or More Person Households | 5,418, 86.26%, see rank | 71.90% | 74.18% |
| Family Households (Families) | 5,310, 84.54%, see rank | 65.74% | 68.06% |
| Average Family Size | 3.21, see rank | 3.22 | 3.14 |
| Married-Couple Family | 4,690, 74.67%, see rank | 46.61% | 51.66% |
| Nonfamily Households | 971, 15.46%, see rank | 34.26% | 31.94% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.