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Williamstown, PA Historical Household and Family Data
ACS 2010-2014 data
Total population: 1,244
| Williamstown, PA | Pennsylvania | U.S. | |
| Total Households | 492, 100% | 4,957,736 | 116,211,092 |
| Average Household Size | 2.53, see rank | 2.49 | 2.63 |
| 1 Person Households | 148, 30.08%, see rank | 29.56% | 27.57% |
| 2 or More Person Households | 344, 69.92%, see rank | 70.44% | 72.43% |
| Family Households (Families) | 326, 66.26%, see rank | 64.63% | 66.22% |
| Average Family Size | 3.22, see rank | 3.17 | 3.32 |
| Married-Couple Family | 234, 47.56%, see rank | 48.29% | 48.42% |
| Nonfamily Households | 166, 33.74%, see rank | 35.37% | 33.78% |
US Census 2010 data
Total population: 1,387
| Williamstown, PA | Pennsylvania | U.S. | |
| Total Households | 567, 100% | 5,018,904 | 116,716,292 |
| Average Household Size | 2.45, see rank | 2.45 | 2.58 |
| 1 Person Households | 165, 29.10%, see rank | 28.56% | 26.74% |
| 2 or More Person Households | 402, 70.90%, see rank | 71.44% | 73.26% |
| Family Households (Families) | 366, 64.55%, see rank | 64.98% | 66.43% |
| Average Family Size | 3.01, see rank | 3.02 | 3.14 |
| Married-Couple Family | 268, 47.27%, see rank | 48.17% | 48.42% |
| Nonfamily Households | 201, 35.45%, see rank | 35.02% | 33.57% |
ACS 2008-2012 data
Total population: 1,232
| Williamstown, PA | Pennsylvania | U.S. | |
| Total Households | 499, 100% | 4,959,633 | 115,226,802 |
| Average Household Size | 2.47, see rank | 2.47 | 2.61 |
| 1 Person Households | 155, 31.06%, see rank | 29.31% | 27.45% |
| 2 or More Person Households | 344, 68.94%, see rank | 70.69% | 72.55% |
| Family Households (Families) | 315, 63.13%, see rank | 65.07% | 66.47% |
| Average Family Size | 3.19, see rank | 3.14 | 3.29 |
| Married-Couple Family | 242, 48.50%, see rank | 48.85% | 48.97% |
| Nonfamily Households | 184, 36.87%, see rank | 34.93% | 33.53% |
ACS 2006-2010 data
Total population: 1,239
| Williamstown, PA | Pennsylvania | U.S. | |
| Total Households | 484, 100% | 4,940,581 | 114,235,996 |
| Average Household Size | 2.56, see rank | 2.47 | 2.59 |
| 1 Person Households | 151, 31.20%, see rank | 29.10% | 27.24% |
| 2 or More Person Households | 333, 68.80%, see rank | 70.90% | 72.76% |
| Family Households (Families) | 306, 63.22%, see rank | 65.40% | 66.75% |
| Average Family Size | 3.33, see rank | 3.12 | 3.25 |
| Married-Couple Family | 237, 48.97%, see rank | 49.49% | 49.60% |
| Nonfamily Households | 178, 36.78%, see rank | 34.60% | 33.25% |
ACS 2005-2009 data
Total population: 1,235
| Williamstown, PA | Pennsylvania | U.S. | |
| Total Households | 515, 100% | 4,893,127 | 112,611,029 |
| Average Household Size | 2.40, see rank | 2.46 | 2.60 |
| 1 Person Households | 168, 32.62%, see rank | 29.06% | 27.32% |
| 2 or More Person Households | 347, 67.38%, see rank | 70.94% | 72.68% |
| Family Households (Families) | 309, 60.00%, see rank | 65.52% | 66.67% |
| Average Family Size | 3.10, see rank | 3.12 | 3.27 |
| Married-Couple Family | 227, 44.08%, see rank | 49.75% | 49.71% |
| Nonfamily Households | 206, 40.00%, see rank | 34.48% | 33.33% |
US Census 2000 data
Total population: 1,433
| Williamstown, PA | Pennsylvania | U.S. | |
| Total Households | 611, 100% | 4,777,003 | 105,480,101 |
| Average Household Size | 2.35, see rank | 2.48 | 2.59 |
| 1 Person Households | 177, 28.97%, see rank | 27.65% | 25.82% |
| 2 or More Person Households | 434, 71.03%, see rank | 72.35% | 74.18% |
| Family Households (Families) | 407, 66.61%, see rank | 67.16% | 68.06% |
| Average Family Size | 2.83, see rank | 3.04 | 3.14 |
| Married-Couple Family | 301, 49.26%, see rank | 51.66% | 51.66% |
| Nonfamily Households | 204, 33.39%, see rank | 32.84% | 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.