Marion County Historical Household and Family Data
ACS 2010-2014 data
Total population: 320,448
| Marion County | Oregon | U.S. | |
| Total Households | 113,883, 100% | 1,522,988 | 116,211,092 |
| Average Household Size | 2.72, see rank | 2.50 | 2.63 |
| 1 Person Households | 29,172, 25.62%, see rank | 27.93% | 27.57% |
| 2 or More Person Households | 84,711, 74.38%, see rank | 72.07% | 72.43% |
| Family Households (Families) | 78,526, 68.95%, see rank | 63.44% | 66.22% |
| Average Family Size | 3.37, see rank | 3.17 | 3.32 |
| Married-Couple Family | 56,835, 49.91%, see rank | 48.31% | 48.42% |
| Nonfamily Households | 35,357, 31.05%, see rank | 36.56% | 33.78% |
US Census 2010 data
Total population: 315,335
| Marion County | Oregon | U.S. | |
| Total Households | 112,957, 100% | 1,518,938 | 116,716,292 |
| Average Household Size | 2.70, see rank | 2.47 | 2.58 |
| 1 Person Households | 28,289, 25.04%, see rank | 27.44% | 26.74% |
| 2 or More Person Households | 84,668, 74.96%, see rank | 72.56% | 73.26% |
| Family Households (Families) | 77,044, 68.21%, see rank | 63.43% | 66.43% |
| Average Family Size | 3.23, see rank | 3.00 | 3.14 |
| Married-Couple Family | 56,938, 50.41%, see rank | 48.31% | 48.42% |
| Nonfamily Households | 35,913, 31.79%, see rank | 36.57% | 33.57% |
ACS 2008-2012 data
Total population: 315,391
| Marion County | Oregon | U.S. | |
| Total Households | 113,227, 100% | 1,512,718 | 115,226,802 |
| Average Household Size | 2.70, see rank | 2.48 | 2.61 |
| 1 Person Households | 29,184, 25.77%, see rank | 27.87% | 27.45% |
| 2 or More Person Households | 84,043, 74.23%, see rank | 72.13% | 72.55% |
| Family Households (Families) | 78,115, 68.99%, see rank | 63.74% | 66.47% |
| Average Family Size | 3.35, see rank | 3.13 | 3.29 |
| Married-Couple Family | 57,340, 50.64%, see rank | 49.03% | 48.97% |
| Nonfamily Households | 35,112, 31.01%, see rank | 36.26% | 33.53% |
ACS 2006-2010 data
Total population: 309,894
| Marion County | Oregon | U.S. | |
| Total Households | 112,773, 100% | 1,499,267 | 114,235,996 |
| Average Household Size | 2.65, see rank | 2.45 | 2.59 |
| 1 Person Households | 28,850, 25.58%, see rank | 27.87% | 27.24% |
| 2 or More Person Households | 83,923, 74.42%, see rank | 72.13% | 72.76% |
| Family Households (Families) | 77,101, 68.37%, see rank | 63.84% | 66.75% |
| Average Family Size | 3.29, see rank | 3.10 | 3.25 |
| Married-Couple Family | 58,002, 51.43%, see rank | 49.59% | 49.60% |
| Nonfamily Households | 35,672, 31.63%, see rank | 36.16% | 33.25% |
ACS 2005-2009 data
Total population: 309,829
| Marion County | Oregon | U.S. | |
| Total Households | 111,839, 100% | 1,464,196 | 112,611,029 |
| Average Household Size | 2.67, see rank | 2.49 | 2.60 |
| 1 Person Households | 27,504, 24.59%, see rank | 27.88% | 27.32% |
| 2 or More Person Households | 84,335, 75.41%, see rank | 72.12% | 72.68% |
| Family Households (Families) | 77,028, 68.87%, see rank | 63.92% | 66.67% |
| Average Family Size | 3.30, see rank | 3.15 | 3.27 |
| Married-Couple Family | 57,945, 51.81%, see rank | 49.96% | 49.71% |
| Nonfamily Households | 34,811, 31.13%, see rank | 36.08% | 33.33% |
US Census 2000 data
Total population: 284,834
| Marion County | Oregon | U.S. | |
| Total Households | 101,641, 100% | 1,333,723 | 105,480,101 |
| Average Household Size | 2.70, see rank | 2.51 | 2.59 |
| 1 Person Households | 24,379, 23.99%, see rank | 26.06% | 25.82% |
| 2 or More Person Households | 77,262, 76.01%, see rank | 73.94% | 74.18% |
| Family Households (Families) | 70,458, 69.32%, see rank | 65.81% | 68.06% |
| Average Family Size | 3.19, see rank | 3.02 | 3.14 |
| Married-Couple Family | 54,570, 53.69%, see rank | 51.92% | 51.66% |
| Nonfamily Households | 31,183, 30.68%, see rank | 34.19% | 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.