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Seaford Union Free School District Historical Household and Family Data
ACS 2010-2014 data
Total population: 16,415
| Seaford Union Free School District | New York | U.S. | |
| Total Households | 5,552, 100% | 7,255,528 | 116,211,092 |
| Average Household Size | 2.95, see rank | 2.62 | 2.63 |
| 1 Person Households | 1,063, 19.15%, see rank | 29.55% | 27.57% |
| 2 or More Person Households | 4,489, 80.85%, see rank | 70.45% | 72.43% |
| Family Households (Families) | 4,307, 77.58%, see rank | 63.90% | 66.22% |
| Average Family Size | 3.47, see rank | 3.38 | 3.32 |
| Married-Couple Family | 3,653, 65.80%, see rank | 44.12% | 48.42% |
| Nonfamily Households | 1,245, 22.42%, see rank | 36.10% | 33.78% |
US Census 2010 data
Total population: 16,242
| Seaford Union Free School District | New York | U.S. | |
| Total Households | 5,577, 100% | 7,317,755 | 116,716,292 |
| Average Household Size | 2.90, see rank | 2.57 | 2.58 |
| 1 Person Households | 948, 17.00%, see rank | 29.12% | 26.74% |
| 2 or More Person Households | 4,629, 83.00%, see rank | 70.88% | 73.26% |
| Family Households (Families) | 4,407, 79.02%, see rank | 63.54% | 66.43% |
| Average Family Size | 3.30, see rank | 3.20 | 3.14 |
| Married-Couple Family | 3,652, 65.48%, see rank | 43.63% | 48.42% |
| Nonfamily Households | 1,170, 20.98%, see rank | 36.46% | 33.57% |
ACS 2008-2012 data
Total population: 16,042
| Seaford Union Free School District | New York | U.S. | |
| Total Households | 5,555, 100% | 7,230,896 | 115,226,802 |
| Average Household Size | 2.88, see rank | 2.60 | 2.61 |
| 1 Person Households | 1,056, 19.01%, see rank | 29.31% | 27.45% |
| 2 or More Person Households | 4,499, 80.99%, see rank | 70.69% | 72.55% |
| Family Households (Families) | 4,382, 78.88%, see rank | 64.26% | 66.47% |
| Average Family Size | 3.35, see rank | 3.35 | 3.29 |
| Married-Couple Family | 3,644, 65.60%, see rank | 44.60% | 48.97% |
| Nonfamily Households | 1,173, 21.12%, see rank | 35.74% | 33.53% |
ACS 2006-2010 data
Total population: 16,354
| Seaford Union Free School District | New York | U.S. | |
| Total Households | 5,461, 100% | 7,205,740 | 114,235,996 |
| Average Household Size | 2.98, see rank | 2.59 | 2.59 |
| 1 Person Households | 869, 15.91%, see rank | 29.08% | 27.24% |
| 2 or More Person Households | 4,592, 84.09%, see rank | 70.92% | 72.76% |
| Family Households (Families) | 4,481, 82.05%, see rank | 64.62% | 66.75% |
| Average Family Size | 3.39, see rank | 3.31 | 3.25 |
| Married-Couple Family | 3,694, 67.64%, see rank | 45.20% | 49.60% |
| Nonfamily Households | 980, 17.95%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 16,495
| Seaford Union Free School District | New York | U.S. | |
| Total Households | 5,302, 100% | 7,137,013 | 112,611,029 |
| Average Household Size | 3.11, see rank | 2.64 | 2.60 |
| 1 Person Households | 817, 15.41%, see rank | 29.48% | 27.32% |
| 2 or More Person Households | 4,485, 84.59%, see rank | 70.52% | 72.68% |
| Family Households (Families) | 4,377, 82.55%, see rank | 64.46% | 66.67% |
| Average Family Size | 3.53, see rank | 3.40 | 3.27 |
| Married-Couple Family | 3,643, 68.71%, see rank | 45.27% | 49.71% |
| Nonfamily Households | 925, 17.45%, see rank | 35.54% | 33.33% |
* 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.