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Williamstown, MA Historical Household and Family Data
ACS 2010-2014 data
Total population: 4,173
| Williamstown, MA | Massachusetts | U.S. | |
| Total Households | 1,107, 100% | 2,538,485 | 116,211,092 |
| Average Household Size | 1.98, see rank | 2.53 | 2.63 |
| 1 Person Households | 498, 44.99%, see rank | 28.80% | 27.57% |
| 2 or More Person Households | 609, 55.01%, see rank | 71.20% | 72.43% |
| Family Households (Families) | 537, 48.51%, see rank | 63.62% | 66.22% |
| Average Family Size | 2.84, see rank | 3.22 | 3.32 |
| Married-Couple Family | 479, 43.27%, see rank | 46.91% | 48.42% |
| Nonfamily Households | 570, 51.49%, see rank | 36.38% | 33.78% |
US Census 2010 data
Total population: 4,325
| Williamstown, MA | Massachusetts | U.S. | |
| Total Households | 1,246, 100% | 2,547,075 | 116,716,292 |
| Average Household Size | 1.98, see rank | 2.48 | 2.58 |
| 1 Person Households | 504, 40.45%, see rank | 28.75% | 26.74% |
| 2 or More Person Households | 742, 59.55%, see rank | 71.25% | 73.26% |
| Family Households (Families) | 633, 50.80%, see rank | 62.96% | 66.43% |
| Average Family Size | 2.64, see rank | 3.08 | 3.14 |
| Married-Couple Family | 512, 41.09%, see rank | 46.28% | 48.42% |
| Nonfamily Households | 613, 49.20%, see rank | 37.04% | 33.57% |
ACS 2008-2012 data
Total population: 3,787
| Williamstown, MA | Massachusetts | U.S. | |
| Total Households | 1,258, 100% | 2,525,694 | 115,226,802 |
| Average Household Size | 1.88, see rank | 2.50 | 2.61 |
| 1 Person Households | 627, 49.84%, see rank | 29.05% | 27.45% |
| 2 or More Person Households | 631, 50.16%, see rank | 70.95% | 72.55% |
| Family Households (Families) | 571, 45.39%, see rank | 63.52% | 66.47% |
| Average Family Size | 2.82, see rank | 3.20 | 3.29 |
| Married-Couple Family | 516, 41.02%, see rank | 47.12% | 48.97% |
| Nonfamily Households | 687, 54.61%, see rank | 36.48% | 33.53% |
ACS 2006-2010 data
Total population: 3,845
| Williamstown, MA | Massachusetts | U.S. | |
| Total Households | 1,316, 100% | 2,512,552 | 114,235,996 |
| Average Household Size | 2.13, see rank | 2.48 | 2.59 |
| 1 Person Households | 607, 46.12%, see rank | 28.94% | 27.24% |
| 2 or More Person Households | 709, 53.88%, see rank | 71.06% | 72.76% |
| Family Households (Families) | 640, 48.63%, see rank | 63.70% | 66.75% |
| Average Family Size | 2.85, see rank | 3.17 | 3.25 |
| Married-Couple Family | 533, 40.50%, see rank | 47.58% | 49.60% |
| Nonfamily Households | 676, 51.37%, see rank | 36.30% | 33.25% |
ACS 2005-2009 data
Total population: 4,192
| Williamstown, MA | Massachusetts | U.S. | |
| Total Households | 1,502, 100% | 2,465,654 | 112,611,029 |
| Average Household Size | 2.09, see rank | 2.54 | 2.60 |
| 1 Person Households | 690, 45.94%, see rank | 29.12% | 27.32% |
| 2 or More Person Households | 812, 54.06%, see rank | 70.88% | 72.68% |
| Family Households (Families) | 723, 48.14%, see rank | 63.86% | 66.67% |
| Average Family Size | 2.84, see rank | 3.24 | 3.27 |
| Married-Couple Family | 609, 40.55%, see rank | 47.97% | 49.71% |
| Nonfamily Households | 779, 51.86%, see rank | 36.14% | 33.33% |
US Census 2000 data
Total population: 4,754
| Williamstown, MA | Massachusetts | U.S. | |
| Total Households | 1,368, 100% | 2,443,580 | 105,480,101 |
| Average Household Size | 2.04, see rank | 2.51 | 2.59 |
| 1 Person Households | 550, 40.20%, see rank | 28.01% | 25.82% |
| 2 or More Person Households | 818, 59.80%, see rank | 71.99% | 74.18% |
| Family Households (Families) | 715, 52.27%, see rank | 64.52% | 68.06% |
| Average Family Size | 2.75, see rank | 3.11 | 3.14 |
| Married-Couple Family | 573, 41.89%, see rank | 49.02% | 51.66% |
| Nonfamily Households | 653, 47.73%, see rank | 35.48% | 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.