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Elk Plain, WA Historical Household and Family Data
ACS 2010-2014 data
Total population: 13,947
| Elk Plain, WA | Washington | U.S. | |
| Total Households | 4,662, 100% | 2,645,396 | 116,211,092 |
| Average Household Size | 2.98, see rank | 2.55 | 2.63 |
| 1 Person Households | 857, 18.38%, see rank | 27.79% | 27.57% |
| 2 or More Person Households | 3,805, 81.62%, see rank | 72.21% | 72.43% |
| Family Households (Families) | 3,554, 76.23%, see rank | 64.48% | 66.22% |
| Average Family Size | 3.50, see rank | 3.23 | 3.32 |
| Married-Couple Family | 2,616, 56.11%, see rank | 49.73% | 48.42% |
| Nonfamily Households | 1,108, 23.77%, see rank | 35.52% | 33.78% |
US Census 2010 data
Total population: 14,205
| Elk Plain, WA | Washington | U.S. | |
| Total Households | 4,707, 100% | 2,620,076 | 116,716,292 |
| Average Household Size | 3.01, see rank | 2.51 | 2.58 |
| 1 Person Households | 648, 13.77%, see rank | 27.16% | 26.74% |
| 2 or More Person Households | 4,059, 86.23%, see rank | 72.84% | 73.26% |
| Family Households (Families) | 3,759, 79.86%, see rank | 64.40% | 66.43% |
| Average Family Size | 3.27, see rank | 3.06 | 3.14 |
| Married-Couple Family | 2,809, 59.68%, see rank | 49.19% | 48.42% |
| Nonfamily Households | 948, 20.14%, see rank | 35.60% | 33.57% |
ACS 2008-2012 data
Total population: 14,645
| Elk Plain, WA | Washington | U.S. | |
| Total Households | 4,751, 100% | 2,619,995 | 115,226,802 |
| Average Household Size | 3.06, see rank | 2.52 | 2.61 |
| 1 Person Households | 760, 16.00%, see rank | 27.74% | 27.45% |
| 2 or More Person Households | 3,991, 84.00%, see rank | 72.26% | 72.55% |
| Family Households (Families) | 3,886, 81.79%, see rank | 64.49% | 66.47% |
| Average Family Size | 3.48, see rank | 3.18 | 3.29 |
| Married-Couple Family | 3,046, 64.11%, see rank | 49.98% | 48.97% |
| Nonfamily Households | 865, 18.21%, see rank | 35.51% | 33.53% |
ACS 2006-2010 data
Total population: 14,266
| Elk Plain, WA | Washington | U.S. | |
| Total Households | 4,508, 100% | 2,577,375 | 114,235,996 |
| Average Household Size | 3.02, see rank | 2.49 | 2.59 |
| 1 Person Households | 556, 12.33%, see rank | 27.74% | 27.24% |
| 2 or More Person Households | 3,952, 87.67%, see rank | 72.26% | 72.76% |
| Family Households (Families) | 3,798, 84.25%, see rank | 64.62% | 66.75% |
| Average Family Size | 3.34, see rank | 3.14 | 3.25 |
| Married-Couple Family | 3,026, 67.13%, see rank | 50.17% | 49.60% |
| Nonfamily Households | 710, 15.75%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 16,707
| Elk Plain, WA | Washington | U.S. | |
| Total Households | 5,384, 100% | 2,512,327 | 112,611,029 |
| Average Household Size | 2.97, see rank | 2.52 | 2.60 |
| 1 Person Households | 753, 13.99%, see rank | 27.81% | 27.32% |
| 2 or More Person Households | 4,631, 86.01%, see rank | 72.19% | 72.68% |
| Family Households (Families) | 4,405, 81.82%, see rank | 64.50% | 66.67% |
| Average Family Size | 3.34, see rank | 3.18 | 3.27 |
| Married-Couple Family | 3,525, 65.47%, see rank | 50.27% | 49.71% |
| Nonfamily Households | 979, 18.18%, see rank | 35.50% | 33.33% |
US Census 2000 data
Total population: 15,697
| Elk Plain, WA | Washington | U.S. | |
| Total Households | 4,990, 100% | 2,271,398 | 105,480,101 |
| Average Household Size | 3.12, see rank | 2.53 | 2.59 |
| 1 Person Households | 606, 12.14%, see rank | 26.17% | 25.82% |
| 2 or More Person Households | 4,384, 87.86%, see rank | 73.83% | 74.18% |
| Family Households (Families) | 4,168, 83.53%, see rank | 66.00% | 68.06% |
| Average Family Size | 3.34, see rank | 3.07 | 3.14 |
| Married-Couple Family | 3,340, 66.93%, see rank | 52.04% | 51.66% |
| Nonfamily Households | 822, 16.47%, 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.