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Suffolk County Historical Household and Family Data
ACS 2010-2014 data
Total population: 747,928
| Suffolk County | Massachusetts | U.S. | |
| Total Households | 290,631, 100% | 2,538,485 | 116,211,092 |
| Average Household Size | 2.41, see rank | 2.53 | 2.63 |
| 1 Person Households | 106,346, 36.59%, see rank | 28.80% | 27.57% |
| 2 or More Person Households | 184,285, 63.41%, see rank | 71.20% | 72.43% |
| Family Households (Families) | 143,588, 49.41%, see rank | 63.62% | 66.22% |
| Average Family Size | 3.36, see rank | 3.22 | 3.32 |
| Married-Couple Family | 81,020, 27.88%, see rank | 46.91% | 48.42% |
| Nonfamily Households | 147,043, 50.59%, see rank | 36.38% | 33.78% |
US Census 2010 data
Total population: 722,023
| Suffolk County | Massachusetts | U.S. | |
| Total Households | 292,767, 100% | 2,547,075 | 116,716,292 |
| Average Household Size | 2.30, see rank | 2.48 | 2.58 |
| 1 Person Households | 106,391, 36.34%, see rank | 28.75% | 26.74% |
| 2 or More Person Households | 186,376, 63.66%, see rank | 71.25% | 73.26% |
| Family Households (Families) | 140,412, 47.96%, see rank | 62.96% | 66.43% |
| Average Family Size | 3.11, see rank | 3.08 | 3.14 |
| Married-Couple Family | 79,454, 27.14%, see rank | 46.28% | 48.42% |
| Nonfamily Households | 152,355, 52.04%, see rank | 37.04% | 33.57% |
ACS 2008-2012 data
Total population: 724,502
| Suffolk County | Massachusetts | U.S. | |
| Total Households | 287,442, 100% | 2,525,694 | 115,226,802 |
| Average Household Size | 2.36, see rank | 2.50 | 2.61 |
| 1 Person Households | 107,116, 37.27%, see rank | 29.05% | 27.45% |
| 2 or More Person Households | 180,326, 62.73%, see rank | 70.95% | 72.55% |
| Family Households (Families) | 140,113, 48.74%, see rank | 63.52% | 66.47% |
| Average Family Size | 3.32, see rank | 3.20 | 3.29 |
| Married-Couple Family | 80,259, 27.92%, see rank | 47.12% | 48.97% |
| Nonfamily Households | 147,329, 51.26%, see rank | 36.48% | 33.53% |
ACS 2006-2010 data
Total population: 704,460
| Suffolk County | Massachusetts | U.S. | |
| Total Households | 283,954, 100% | 2,512,552 | 114,235,996 |
| Average Household Size | 2.33, see rank | 2.48 | 2.59 |
| 1 Person Households | 104,299, 36.73%, see rank | 28.94% | 27.24% |
| 2 or More Person Households | 179,655, 63.27%, see rank | 71.06% | 72.76% |
| Family Households (Families) | 139,420, 49.10%, see rank | 63.70% | 66.75% |
| Average Family Size | 3.25, see rank | 3.17 | 3.25 |
| Married-Couple Family | 79,264, 27.91%, see rank | 47.58% | 49.60% |
| Nonfamily Households | 144,534, 50.90%, see rank | 36.30% | 33.25% |
ACS 2005-2009 data
Total population: 730,630
| Suffolk County | Massachusetts | U.S. | |
| Total Households | 274,523, 100% | 2,465,654 | 112,611,029 |
| Average Household Size | 2.51, see rank | 2.54 | 2.60 |
| 1 Person Households | 106,079, 38.64%, see rank | 29.12% | 27.32% |
| 2 or More Person Households | 168,444, 61.36%, see rank | 70.88% | 72.68% |
| Family Households (Families) | 133,470, 48.62%, see rank | 63.86% | 66.67% |
| Average Family Size | 3.57, see rank | 3.24 | 3.27 |
| Married-Couple Family | 77,167, 28.11%, see rank | 47.97% | 49.71% |
| Nonfamily Households | 141,053, 51.38%, see rank | 36.14% | 33.33% |
US Census 2000 data
Total population: 689,807
| Suffolk County | Massachusetts | U.S. | |
| Total Households | 278,722, 100% | 2,443,580 | 105,480,101 |
| Average Household Size | 2.34, see rank | 2.51 | 2.59 |
| 1 Person Households | 101,274, 36.34%, see rank | 28.01% | 25.82% |
| 2 or More Person Households | 177,448, 63.66%, see rank | 71.99% | 74.18% |
| Family Households (Families) | 139,159, 49.93%, see rank | 64.52% | 68.06% |
| Average Family Size | 3.17, see rank | 3.11 | 3.14 |
| Married-Couple Family | 81,651, 29.29%, see rank | 49.02% | 51.66% |
| Nonfamily Households | 139,563, 50.07%, 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.