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Portland, South Portland, Biddeford Metro Area Historical Household and Family Data
ACS 2010-2014 data
Total population: 518,387
| Portland, South Portland, Biddeford Area | Maine | U.S. | |
| Total Households | 214,107, 100% | 553,086 | 116,211,092 |
| Average Household Size | 2.37, see rank | 2.34 | 2.63 |
| 1 Person Households | 61,040, 28.51%, see rank | 29.06% | 27.57% |
| 2 or More Person Households | 153,067, 71.49%, see rank | 70.94% | 72.43% |
| Family Households (Families) | 134,766, 62.94%, see rank | 62.91% | 66.22% |
| Average Family Size | 3.00, see rank | 2.96 | 3.32 |
| Married-Couple Family | 105,338, 49.20%, see rank | 48.92% | 48.42% |
| Nonfamily Households | 79,341, 37.06%, see rank | 37.09% | 33.78% |
US Census 2010 data
Total population: 514,098
| Portland, South Portland, Biddeford Area | Maine | U.S. | |
| Total Households | 213,436, 100% | 557,219 | 116,716,292 |
| Average Household Size | 2.35, see rank | 2.32 | 2.58 |
| 1 Person Households | 60,353, 28.28%, see rank | 28.63% | 26.74% |
| 2 or More Person Households | 153,083, 71.72%, see rank | 71.37% | 73.26% |
| Family Households (Families) | 133,783, 62.68%, see rank | 62.92% | 66.43% |
| Average Family Size | 2.89, see rank | 2.83 | 3.14 |
| Married-Couple Family | 104,280, 48.86%, see rank | 48.47% | 48.42% |
| Nonfamily Households | 79,653, 37.32%, see rank | 37.08% | 33.57% |
ACS 2008-2012 data
Total population: 515,398
| Portland, South Portland, Biddeford Area | Maine | U.S. | |
| Total Households | 213,322, 100% | 553,208 | 115,226,802 |
| Average Household Size | 2.36, see rank | 2.34 | 2.61 |
| 1 Person Households | 61,498, 28.83%, see rank | 28.94% | 27.45% |
| 2 or More Person Households | 151,824, 71.17%, see rank | 71.06% | 72.55% |
| Family Households (Families) | 134,122, 62.87%, see rank | 63.24% | 66.47% |
| Average Family Size | 3.00, see rank | 2.96 | 3.29 |
| Married-Couple Family | 105,981, 49.68%, see rank | 49.51% | 48.97% |
| Nonfamily Households | 79,200, 37.13%, see rank | 36.76% | 33.53% |
ACS 2006-2010 data
Total population: 513,139
| Portland, South Portland, Biddeford Area | Maine | U.S. | |
| Total Households | 211,636, 100% | 551,125 | 114,235,996 |
| Average Household Size | 2.37, see rank | 2.34 | 2.59 |
| 1 Person Households | 58,445, 27.62%, see rank | 28.19% | 27.24% |
| 2 or More Person Households | 153,191, 72.38%, see rank | 71.81% | 72.76% |
| Family Households (Families) | 135,937, 64.23%, see rank | 64.26% | 66.75% |
| Average Family Size | 2.98, see rank | 2.94 | 3.25 |
| Married-Couple Family | 107,977, 51.02%, see rank | 50.52% | 49.60% |
| Nonfamily Households | 75,699, 35.77%, see rank | 35.74% | 33.25% |
ACS 2005-2009 data
Total population: 514,044
| Portland, South Portland, Biddeford Area | Maine | U.S. | |
| Total Households | 209,035, 100% | 542,617 | 112,611,029 |
| Average Household Size | 2.40, see rank | 2.36 | 2.60 |
| 1 Person Households | 57,142, 27.34%, see rank | 27.98% | 27.32% |
| 2 or More Person Households | 151,893, 72.66%, see rank | 72.02% | 72.68% |
| Family Households (Families) | 135,225, 64.69%, see rank | 64.66% | 66.67% |
| Average Family Size | 3.00, see rank | 2.95 | 3.27 |
| Married-Couple Family | 107,055, 51.21%, see rank | 50.82% | 49.71% |
| Nonfamily Households | 73,810, 35.31%, see rank | 35.34% | 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.