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Issaquah, WA Historical Household and Family Data
ACS 2010-2014 data
Total population: 32,551
| Issaquah, WA | Washington | U.S. | |
| Total Households | 13,869, 100% | 2,645,396 | 116,211,092 |
| Average Household Size | 2.32, see rank | 2.55 | 2.63 |
| 1 Person Households | 4,280, 30.86%, see rank | 27.79% | 27.57% |
| 2 or More Person Households | 9,589, 69.14%, see rank | 72.21% | 72.43% |
| Family Households (Families) | 8,709, 62.79%, see rank | 64.48% | 66.22% |
| Average Family Size | 2.97, see rank | 3.23 | 3.32 |
| Married-Couple Family | 7,290, 52.56%, see rank | 49.73% | 48.42% |
| Nonfamily Households | 5,160, 37.21%, see rank | 35.52% | 33.78% |
US Census 2010 data
Total population: 30,434
| Issaquah, WA | Washington | U.S. | |
| Total Households | 12,841, 100% | 2,620,076 | 116,716,292 |
| Average Household Size | 2.34, see rank | 2.51 | 2.58 |
| 1 Person Households | 3,867, 30.11%, see rank | 27.16% | 26.74% |
| 2 or More Person Households | 8,974, 69.89%, see rank | 72.84% | 73.26% |
| Family Households (Families) | 8,018, 62.44%, see rank | 64.40% | 66.43% |
| Average Family Size | 2.95, see rank | 3.06 | 3.14 |
| Married-Couple Family | 6,660, 51.87%, see rank | 49.19% | 48.42% |
| Nonfamily Households | 4,823, 37.56%, see rank | 35.60% | 33.57% |
ACS 2008-2012 data
Total population: 30,473
| Issaquah, WA | Washington | U.S. | |
| Total Households | 13,179, 100% | 2,619,995 | 115,226,802 |
| Average Household Size | 2.29, see rank | 2.52 | 2.61 |
| 1 Person Households | 3,950, 29.97%, see rank | 27.74% | 27.45% |
| 2 or More Person Households | 9,229, 70.03%, see rank | 72.26% | 72.55% |
| Family Households (Families) | 8,365, 63.47%, see rank | 64.49% | 66.47% |
| Average Family Size | 2.88, see rank | 3.18 | 3.29 |
| Married-Couple Family | 7,154, 54.28%, see rank | 49.98% | 48.97% |
| Nonfamily Households | 4,814, 36.53%, see rank | 35.51% | 33.53% |
ACS 2006-2010 data
Total population: 27,838
| Issaquah, WA | Washington | U.S. | |
| Total Households | 11,927, 100% | 2,577,375 | 114,235,996 |
| Average Household Size | 2.31, see rank | 2.49 | 2.59 |
| 1 Person Households | 3,517, 29.49%, see rank | 27.74% | 27.24% |
| 2 or More Person Households | 8,410, 70.51%, see rank | 72.26% | 72.76% |
| Family Households (Families) | 7,437, 62.35%, see rank | 64.62% | 66.75% |
| Average Family Size | 2.96, see rank | 3.14 | 3.25 |
| Married-Couple Family | 6,095, 51.10%, see rank | 50.17% | 49.60% |
| Nonfamily Households | 4,490, 37.65%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 23,186
| Issaquah, WA | Washington | U.S. | |
| Total Households | 9,874, 100% | 2,512,327 | 112,611,029 |
| Average Household Size | 2.31, see rank | 2.52 | 2.60 |
| 1 Person Households | 2,955, 29.93%, see rank | 27.81% | 27.32% |
| 2 or More Person Households | 6,919, 70.07%, see rank | 72.19% | 72.68% |
| Family Households (Families) | 6,074, 61.52%, see rank | 64.50% | 66.67% |
| Average Family Size | 2.98, see rank | 3.18 | 3.27 |
| Married-Couple Family | 4,940, 50.03%, see rank | 50.27% | 49.71% |
| Nonfamily Households | 3,800, 38.48%, see rank | 35.50% | 33.33% |
US Census 2000 data
Total population: 11,212
| Issaquah, WA | Washington | U.S. | |
| Total Households | 4,840, 100% | 2,271,398 | 105,480,101 |
| Average Household Size | 2.27, see rank | 2.53 | 2.59 |
| 1 Person Households | 1,498, 30.95%, see rank | 26.17% | 25.82% |
| 2 or More Person Households | 3,342, 69.05%, see rank | 73.83% | 74.18% |
| Family Households (Families) | 2,909, 60.10%, see rank | 66.00% | 68.06% |
| Average Family Size | 2.87, see rank | 3.07 | 3.14 |
| Married-Couple Family | 2,291, 47.33%, see rank | 52.04% | 51.66% |
| Nonfamily Households | 1,931, 39.90%, 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.