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Smithtown, NY Historical Household and Family Data
ACS 2010-2014 data
Total population: 26,408
| Smithtown, NY | New York | U.S. | |
| Total Households | 8,649, 100% | 7,255,528 | 116,211,092 |
| Average Household Size | 2.96, see rank | 2.62 | 2.63 |
| 1 Person Households | 1,736, 20.07%, see rank | 29.55% | 27.57% |
| 2 or More Person Households | 6,913, 79.93%, see rank | 70.45% | 72.43% |
| Family Households (Families) | 6,628, 76.63%, see rank | 63.90% | 66.22% |
| Average Family Size | 3.49, see rank | 3.38 | 3.32 |
| Married-Couple Family | 5,719, 66.12%, see rank | 44.12% | 48.42% |
| Nonfamily Households | 2,021, 23.37%, see rank | 36.10% | 33.78% |
US Census 2010 data
Total population: 26,470
| Smithtown, NY | New York | U.S. | |
| Total Households | 8,773, 100% | 7,317,755 | 116,716,292 |
| Average Household Size | 2.93, see rank | 2.57 | 2.58 |
| 1 Person Households | 1,552, 17.69%, see rank | 29.12% | 26.74% |
| 2 or More Person Households | 7,221, 82.31%, see rank | 70.88% | 73.26% |
| Family Households (Families) | 6,959, 79.32%, see rank | 63.54% | 66.43% |
| Average Family Size | 3.33, see rank | 3.20 | 3.14 |
| Married-Couple Family | 6,016, 68.57%, see rank | 43.63% | 48.42% |
| Nonfamily Households | 1,814, 20.68%, see rank | 36.46% | 33.57% |
ACS 2008-2012 data
Total population: 25,849
| Smithtown, NY | New York | U.S. | |
| Total Households | 8,446, 100% | 7,230,896 | 115,226,802 |
| Average Household Size | 2.98, see rank | 2.60 | 2.61 |
| 1 Person Households | 1,526, 18.07%, see rank | 29.31% | 27.45% |
| 2 or More Person Households | 6,920, 81.93%, see rank | 70.69% | 72.55% |
| Family Households (Families) | 6,677, 79.06%, see rank | 64.26% | 66.47% |
| Average Family Size | 3.44, see rank | 3.35 | 3.29 |
| Married-Couple Family | 5,683, 67.29%, see rank | 44.60% | 48.97% |
| Nonfamily Households | 1,769, 20.94%, see rank | 35.74% | 33.53% |
ACS 2006-2010 data
Total population: 26,199
| Smithtown, NY | New York | U.S. | |
| Total Households | 8,310, 100% | 7,205,740 | 114,235,996 |
| Average Household Size | 3.08, see rank | 2.59 | 2.59 |
| 1 Person Households | 1,324, 15.93%, see rank | 29.08% | 27.24% |
| 2 or More Person Households | 6,986, 84.07%, see rank | 70.92% | 72.76% |
| Family Households (Families) | 6,793, 81.74%, see rank | 64.62% | 66.75% |
| Average Family Size | 3.51, see rank | 3.31 | 3.25 |
| Married-Couple Family | 5,844, 70.32%, see rank | 45.20% | 49.60% |
| Nonfamily Households | 1,517, 18.26%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 28,018
| Smithtown, NY | New York | U.S. | |
| Total Households | 8,527, 100% | 7,137,013 | 112,611,029 |
| Average Household Size | 3.21, see rank | 2.64 | 2.60 |
| 1 Person Households | 1,257, 14.74%, see rank | 29.48% | 27.32% |
| 2 or More Person Households | 7,270, 85.26%, see rank | 70.52% | 72.68% |
| Family Households (Families) | 7,039, 82.55%, see rank | 64.46% | 66.67% |
| Average Family Size | 3.63, see rank | 3.40 | 3.27 |
| Married-Couple Family | 6,046, 70.90%, see rank | 45.27% | 49.71% |
| Nonfamily Households | 1,488, 17.45%, see rank | 35.54% | 33.33% |
US Census 2000 data
Total population: 26,901
| Smithtown, NY | New York | U.S. | |
| Total Households | 8,815, 100% | 7,056,860 | 105,480,101 |
| Average Household Size | 2.96, see rank | 2.61 | 2.59 |
| 1 Person Households | 1,311, 14.87%, see rank | 28.10% | 25.82% |
| 2 or More Person Households | 7,504, 85.13%, see rank | 71.90% | 74.18% |
| Family Households (Families) | 7,249, 82.23%, see rank | 65.74% | 68.06% |
| Average Family Size | 3.29, see rank | 3.22 | 3.14 |
| Married-Couple Family | 6,366, 72.22%, see rank | 46.61% | 51.66% |
| Nonfamily Households | 1,566, 17.77%, 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.