Polk County Historical Household and Family Data
ACS 2010-2014 data
Total population: 76,464
| Polk County | Oregon | U.S. | |
| Total Households | 28,253, 100% | 1,522,988 | 116,211,092 |
| Average Household Size | 2.64, see rank | 2.50 | 2.63 |
| 1 Person Households | 6,555, 23.20%, see rank | 27.93% | 27.57% |
| 2 or More Person Households | 21,698, 76.80%, see rank | 72.07% | 72.43% |
| Family Households (Families) | 19,512, 69.06%, see rank | 63.44% | 66.22% |
| Average Family Size | 3.22, see rank | 3.17 | 3.32 |
| Married-Couple Family | 15,462, 54.73%, see rank | 48.31% | 48.42% |
| Nonfamily Households | 8,741, 30.94%, see rank | 36.56% | 33.78% |
US Census 2010 data
Total population: 75,403
| Polk County | Oregon | U.S. | |
| Total Households | 28,288, 100% | 1,518,938 | 116,716,292 |
| Average Household Size | 2.60, see rank | 2.47 | 2.58 |
| 1 Person Households | 6,495, 22.96%, see rank | 27.44% | 26.74% |
| 2 or More Person Households | 21,793, 77.04%, see rank | 72.56% | 73.26% |
| Family Households (Families) | 19,545, 69.09%, see rank | 63.43% | 66.43% |
| Average Family Size | 3.06, see rank | 3.00 | 3.14 |
| Married-Couple Family | 15,337, 54.22%, see rank | 48.31% | 48.42% |
| Nonfamily Households | 8,743, 30.91%, see rank | 36.57% | 33.57% |
ACS 2008-2012 data
Total population: 75,448
| Polk County | Oregon | U.S. | |
| Total Households | 27,973, 100% | 1,512,718 | 115,226,802 |
| Average Household Size | 2.62, see rank | 2.48 | 2.61 |
| 1 Person Households | 6,853, 24.50%, see rank | 27.87% | 27.45% |
| 2 or More Person Households | 21,120, 75.50%, see rank | 72.13% | 72.55% |
| Family Households (Families) | 19,244, 68.79%, see rank | 63.74% | 66.47% |
| Average Family Size | 3.21, see rank | 3.13 | 3.29 |
| Married-Couple Family | 15,388, 55.01%, see rank | 49.03% | 48.97% |
| Nonfamily Households | 8,729, 31.21%, see rank | 36.26% | 33.53% |
ACS 2006-2010 data
Total population: 73,745
| Polk County | Oregon | U.S. | |
| Total Households | 27,690, 100% | 1,499,267 | 114,235,996 |
| Average Household Size | 2.57, see rank | 2.45 | 2.59 |
| 1 Person Households | 6,806, 24.58%, see rank | 27.87% | 27.24% |
| 2 or More Person Households | 20,884, 75.42%, see rank | 72.13% | 72.76% |
| Family Households (Families) | 19,139, 69.12%, see rank | 63.84% | 66.75% |
| Average Family Size | 3.14, see rank | 3.10 | 3.25 |
| Married-Couple Family | 15,502, 55.98%, see rank | 49.59% | 49.60% |
| Nonfamily Households | 8,551, 30.88%, see rank | 36.16% | 33.25% |
ACS 2005-2009 data
Total population: 74,550
| Polk County | Oregon | U.S. | |
| Total Households | 25,572, 100% | 1,464,196 | 112,611,029 |
| Average Household Size | 2.81, see rank | 2.49 | 2.60 |
| 1 Person Households | 6,559, 25.65%, see rank | 27.88% | 27.32% |
| 2 or More Person Households | 19,013, 74.35%, see rank | 72.12% | 72.68% |
| Family Households (Families) | 17,587, 68.77%, see rank | 63.92% | 66.67% |
| Average Family Size | 3.46, see rank | 3.15 | 3.27 |
| Married-Couple Family | 14,343, 56.09%, see rank | 49.96% | 49.71% |
| Nonfamily Households | 7,985, 31.23%, see rank | 36.08% | 33.33% |
US Census 2000 data
Total population: 62,380
| Polk County | Oregon | U.S. | |
| Total Households | 23,058, 100% | 1,333,723 | 105,480,101 |
| Average Household Size | 2.62, see rank | 2.51 | 2.59 |
| 1 Person Households | 5,151, 22.34%, see rank | 26.06% | 25.82% |
| 2 or More Person Households | 17,907, 77.66%, see rank | 73.94% | 74.18% |
| Family Households (Families) | 16,130, 69.95%, see rank | 65.81% | 68.06% |
| Average Family Size | 3.07, see rank | 3.02 | 3.14 |
| Married-Couple Family | 13,170, 57.12%, see rank | 51.92% | 51.66% |
| Nonfamily Households | 6,928, 30.05%, 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.