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St. Marys Micro Area Historical Household and Family Data
US Census 2010 data
Total population: 31,946
| St. Marys Area | Pennsylvania | U.S. | |
| Total Households | 13,693, 100% | 5,018,904 | 116,716,292 |
| Average Household Size | 2.31, see rank | 2.45 | 2.58 |
| 1 Person Households | 4,078, 29.78%, see rank | 28.56% | 26.74% |
| 2 or More Person Households | 9,615, 70.22%, see rank | 71.44% | 73.26% |
| Family Households (Families) | 9,048, 66.08%, see rank | 64.98% | 66.43% |
| Average Family Size | 2.84, see rank | 3.02 | 3.14 |
| Married-Couple Family | 7,142, 52.16%, see rank | 48.17% | 48.42% |
| Nonfamily Households | 4,645, 33.92%, see rank | 35.02% | 33.57% |
ACS 2008-2012 data
Total population: 31,981
| St. Marys Area | Pennsylvania | U.S. | |
| Total Households | 13,631, 100% | 4,959,633 | 115,226,802 |
| Average Household Size | 2.32, see rank | 2.47 | 2.61 |
| 1 Person Households | 4,198, 30.80%, see rank | 29.31% | 27.45% |
| 2 or More Person Households | 9,433, 69.20%, see rank | 70.69% | 72.55% |
| Family Households (Families) | 9,003, 66.05%, see rank | 65.07% | 66.47% |
| Average Family Size | 2.93, see rank | 3.14 | 3.29 |
| Married-Couple Family | 6,821, 50.04%, see rank | 48.85% | 48.97% |
| Nonfamily Households | 4,628, 33.95%, see rank | 34.93% | 33.53% |
ACS 2006-2010 data
Total population: 32,480
| St. Marys Area | Pennsylvania | U.S. | |
| Total Households | 13,743, 100% | 4,940,581 | 114,235,996 |
| Average Household Size | 2.33, see rank | 2.47 | 2.59 |
| 1 Person Households | 4,152, 30.21%, see rank | 29.10% | 27.24% |
| 2 or More Person Households | 9,591, 69.79%, see rank | 70.90% | 72.76% |
| Family Households (Families) | 9,059, 65.92%, see rank | 65.40% | 66.75% |
| Average Family Size | 2.94, see rank | 3.12 | 3.25 |
| Married-Couple Family | 6,879, 50.05%, see rank | 49.49% | 49.60% |
| Nonfamily Households | 4,684, 34.08%, see rank | 34.60% | 33.25% |
ACS 2005-2009 data
Total population: 32,594
| St. Marys Area | Pennsylvania | U.S. | |
| Total Households | 13,931, 100% | 4,893,127 | 112,611,029 |
| Average Household Size | 2.31, see rank | 2.46 | 2.60 |
| 1 Person Households | 4,132, 29.66%, see rank | 29.06% | 27.32% |
| 2 or More Person Households | 9,799, 70.34%, see rank | 70.94% | 72.68% |
| Family Households (Families) | 9,321, 66.91%, see rank | 65.52% | 66.67% |
| Average Family Size | 2.89, see rank | 3.12 | 3.27 |
| Married-Couple Family | 7,070, 50.75%, see rank | 49.75% | 49.71% |
| Nonfamily Households | 4,610, 33.09%, see rank | 34.48% | 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.