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Walla Walla County Historical Household and Family Data
ACS 2010-2014 data
Total population: 59,476
| Walla Walla County | Washington | U.S. | |
| Total Households | 21,698, 100% | 2,645,396 | 116,211,092 |
| Average Household Size | 2.50, see rank | 2.55 | 2.63 |
| 1 Person Households | 6,915, 31.87%, see rank | 27.79% | 27.57% |
| 2 or More Person Households | 14,783, 68.13%, see rank | 72.21% | 72.43% |
| Family Households (Families) | 13,663, 62.97%, see rank | 64.48% | 66.22% |
| Average Family Size | 3.25, see rank | 3.23 | 3.32 |
| Married-Couple Family | 10,545, 48.60%, see rank | 49.73% | 48.42% |
| Nonfamily Households | 8,035, 37.03%, see rank | 35.52% | 33.78% |
US Census 2010 data
Total population: 58,781
| Walla Walla County | Washington | U.S. | |
| Total Households | 21,719, 100% | 2,620,076 | 116,716,292 |
| Average Household Size | 2.50, see rank | 2.51 | 2.58 |
| 1 Person Households | 6,132, 28.23%, see rank | 27.16% | 26.74% |
| 2 or More Person Households | 15,587, 71.77%, see rank | 72.84% | 73.26% |
| Family Households (Families) | 14,132, 65.07%, see rank | 64.40% | 66.43% |
| Average Family Size | 3.05, see rank | 3.06 | 3.14 |
| Married-Couple Family | 10,891, 50.15%, see rank | 49.19% | 48.42% |
| Nonfamily Households | 7,587, 34.93%, see rank | 35.60% | 33.57% |
ACS 2008-2012 data
Total population: 58,643
| Walla Walla County | Washington | U.S. | |
| Total Households | 21,497, 100% | 2,619,995 | 115,226,802 |
| Average Household Size | 2.49, see rank | 2.52 | 2.61 |
| 1 Person Households | 6,346, 29.52%, see rank | 27.74% | 27.45% |
| 2 or More Person Households | 15,151, 70.48%, see rank | 72.26% | 72.55% |
| Family Households (Families) | 14,119, 65.68%, see rank | 64.49% | 66.47% |
| Average Family Size | 3.17, see rank | 3.18 | 3.29 |
| Married-Couple Family | 10,854, 50.49%, see rank | 49.98% | 48.97% |
| Nonfamily Households | 7,378, 34.32%, see rank | 35.51% | 33.53% |
ACS 2006-2010 data
Total population: 57,585
| Walla Walla County | Washington | U.S. | |
| Total Households | 21,367, 100% | 2,577,375 | 114,235,996 |
| Average Household Size | 2.48, see rank | 2.49 | 2.59 |
| 1 Person Households | 6,213, 29.08%, see rank | 27.74% | 27.24% |
| 2 or More Person Households | 15,154, 70.92%, see rank | 72.26% | 72.76% |
| Family Households (Families) | 14,007, 65.55%, see rank | 64.62% | 66.75% |
| Average Family Size | 3.14, see rank | 3.14 | 3.25 |
| Married-Couple Family | 10,833, 50.70%, see rank | 50.17% | 49.60% |
| Nonfamily Households | 7,360, 34.45%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 57,795
| Walla Walla County | Washington | U.S. | |
| Total Households | 20,724, 100% | 2,512,327 | 112,611,029 |
| Average Household Size | 2.56, see rank | 2.52 | 2.60 |
| 1 Person Households | 5,855, 28.25%, see rank | 27.81% | 27.32% |
| 2 or More Person Households | 14,869, 71.75%, see rank | 72.19% | 72.68% |
| Family Households (Families) | 13,731, 66.26%, see rank | 64.50% | 66.67% |
| Average Family Size | 3.22, see rank | 3.18 | 3.27 |
| Married-Couple Family | 10,659, 51.43%, see rank | 50.27% | 49.71% |
| Nonfamily Households | 6,993, 33.74%, see rank | 35.50% | 33.33% |
US Census 2000 data
Total population: 55,180
| Walla Walla County | Washington | U.S. | |
| Total Households | 19,647, 100% | 2,271,398 | 105,480,101 |
| Average Household Size | 2.54, see rank | 2.53 | 2.59 |
| 1 Person Households | 5,316, 27.06%, see rank | 26.17% | 25.82% |
| 2 or More Person Households | 14,331, 72.94%, see rank | 73.83% | 74.18% |
| Family Households (Families) | 13,238, 67.38%, see rank | 66.00% | 68.06% |
| Average Family Size | 3.08, see rank | 3.07 | 3.14 |
| Married-Couple Family | 10,610, 54.00%, see rank | 52.04% | 51.66% |
| Nonfamily Households | 6,409, 32.62%, see rank | 34.00% | 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.