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Stony Brook, NY Historical Household and Family Data
ACS 2010-2014 data
Total population: 13,936
| Stony Brook, NY | New York | U.S. | |
| Total Households | 4,846, 100% | 7,255,528 | 116,211,092 |
| Average Household Size | 2.85, see rank | 2.62 | 2.63 |
| 1 Person Households | 906, 18.70%, see rank | 29.55% | 27.57% |
| 2 or More Person Households | 3,940, 81.30%, see rank | 70.45% | 72.43% |
| Family Households (Families) | 3,744, 77.26%, see rank | 63.90% | 66.22% |
| Average Family Size | 3.28, see rank | 3.38 | 3.32 |
| Married-Couple Family | 3,355, 69.23%, see rank | 44.12% | 48.42% |
| Nonfamily Households | 1,102, 22.74%, see rank | 36.10% | 33.78% |
US Census 2010 data
Total population: 13,740
| Stony Brook, NY | New York | U.S. | |
| Total Households | 4,846, 100% | 7,317,755 | 116,716,292 |
| Average Household Size | 2.82, see rank | 2.57 | 2.58 |
| 1 Person Households | 930, 19.19%, see rank | 29.12% | 26.74% |
| 2 or More Person Households | 3,916, 80.81%, see rank | 70.88% | 73.26% |
| Family Households (Families) | 3,653, 75.38%, see rank | 63.54% | 66.43% |
| Average Family Size | 3.22, see rank | 3.20 | 3.14 |
| Married-Couple Family | 3,202, 66.08%, see rank | 43.63% | 48.42% |
| Nonfamily Households | 1,193, 24.62%, see rank | 36.46% | 33.57% |
ACS 2008-2012 data
Total population: 13,207
| Stony Brook, NY | New York | U.S. | |
| Total Households | 4,655, 100% | 7,230,896 | 115,226,802 |
| Average Household Size | 2.79, see rank | 2.60 | 2.61 |
| 1 Person Households | 968, 20.79%, see rank | 29.31% | 27.45% |
| 2 or More Person Households | 3,687, 79.21%, see rank | 70.69% | 72.55% |
| Family Households (Families) | 3,526, 75.75%, see rank | 64.26% | 66.47% |
| Average Family Size | 3.26, see rank | 3.35 | 3.29 |
| Married-Couple Family | 3,165, 67.99%, see rank | 44.60% | 48.97% |
| Nonfamily Households | 1,129, 24.25%, see rank | 35.74% | 33.53% |
ACS 2006-2010 data
Total population: 13,658
| Stony Brook, NY | New York | U.S. | |
| Total Households | 4,658, 100% | 7,205,740 | 114,235,996 |
| Average Household Size | 2.86, see rank | 2.59 | 2.59 |
| 1 Person Households | 785, 16.85%, see rank | 29.08% | 27.24% |
| 2 or More Person Households | 3,873, 83.15%, see rank | 70.92% | 72.76% |
| Family Households (Families) | 3,677, 78.94%, see rank | 64.62% | 66.75% |
| Average Family Size | 3.27, see rank | 3.31 | 3.25 |
| Married-Couple Family | 3,290, 70.63%, see rank | 45.20% | 49.60% |
| Nonfamily Households | 981, 21.06%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 13,845
| Stony Brook, NY | New York | U.S. | |
| Total Households | 4,543, 100% | 7,137,013 | 112,611,029 |
| Average Household Size | 3.05, see rank | 2.64 | 2.60 |
| 1 Person Households | 714, 15.72%, see rank | 29.48% | 27.32% |
| 2 or More Person Households | 3,829, 84.28%, see rank | 70.52% | 72.68% |
| Family Households (Families) | 3,689, 81.20%, see rank | 64.46% | 66.67% |
| Average Family Size | 3.46, see rank | 3.40 | 3.27 |
| Married-Couple Family | 3,259, 71.74%, see rank | 45.27% | 49.71% |
| Nonfamily Households | 854, 18.80%, see rank | 35.54% | 33.33% |
US Census 2000 data
Total population: 13,727
| Stony Brook, NY | New York | U.S. | |
| Total Households | 4,758, 100% | 7,056,860 | 105,480,101 |
| Average Household Size | 2.88, see rank | 2.61 | 2.59 |
| 1 Person Households | 772, 16.23%, see rank | 28.10% | 25.82% |
| 2 or More Person Households | 3,986, 83.77%, see rank | 71.90% | 74.18% |
| Family Households (Families) | 3,789, 79.63%, see rank | 65.74% | 68.06% |
| Average Family Size | 3.22, see rank | 3.22 | 3.14 |
| Married-Couple Family | 3,393, 71.31%, see rank | 46.61% | 51.66% |
| Nonfamily Households | 969, 20.37%, 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.