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Mercer Island School District Historical Household and Family Data
ACS 2010-2014 data
Total population: 23,636
| Mercer Island School District | Washington | U.S. | |
| Total Households | 9,431, 100% | 2,645,396 | 116,211,092 |
| Average Household Size | 2.49, see rank | 2.55 | 2.63 |
| 1 Person Households | 2,333, 24.74%, see rank | 27.79% | 27.57% |
| 2 or More Person Households | 7,098, 75.26%, see rank | 72.21% | 72.43% |
| Family Households (Families) | 6,809, 72.20%, see rank | 64.48% | 66.22% |
| Average Family Size | 3.02, see rank | 3.23 | 3.32 |
| Married-Couple Family | 6,000, 63.62%, see rank | 49.73% | 48.42% |
| Nonfamily Households | 2,622, 27.80%, see rank | 35.52% | 33.78% |
US Census 2010 data
Total population: 22,699
| Mercer Island School District | Washington | U.S. | |
| Total Households | 9,109, 100% | 2,620,076 | 116,716,292 |
| Average Household Size | 2.48, see rank | 2.51 | 2.58 |
| 1 Person Households | 2,198, 24.13%, see rank | 27.16% | 26.74% |
| 2 or More Person Households | 6,911, 75.87%, see rank | 72.84% | 73.26% |
| Family Households (Families) | 6,532, 71.71%, see rank | 64.40% | 66.43% |
| Average Family Size | 2.97, see rank | 3.06 | 3.14 |
| Married-Couple Family | 5,671, 62.26%, see rank | 49.19% | 48.42% |
| Nonfamily Households | 2,577, 28.29%, see rank | 35.60% | 33.57% |
ACS 2008-2012 data
Total population: 22,922
| Mercer Island School District | Washington | U.S. | |
| Total Households | 9,335, 100% | 2,619,995 | 115,226,802 |
| Average Household Size | 2.44, see rank | 2.52 | 2.61 |
| 1 Person Households | 2,332, 24.98%, see rank | 27.74% | 27.45% |
| 2 or More Person Households | 7,003, 75.02%, see rank | 72.26% | 72.55% |
| Family Households (Families) | 6,701, 71.78%, see rank | 64.49% | 66.47% |
| Average Family Size | 2.95, see rank | 3.18 | 3.29 |
| Married-Couple Family | 6,027, 64.56%, see rank | 49.98% | 48.97% |
| Nonfamily Households | 2,634, 28.22%, see rank | 35.51% | 33.53% |
ACS 2006-2010 data
Total population: 22,376
| Mercer Island School District | Washington | U.S. | |
| Total Households | 9,191, 100% | 2,577,375 | 114,235,996 |
| Average Household Size | 2.41, see rank | 2.49 | 2.59 |
| 1 Person Households | 2,366, 25.74%, see rank | 27.74% | 27.24% |
| 2 or More Person Households | 6,825, 74.26%, see rank | 72.26% | 72.76% |
| Family Households (Families) | 6,512, 70.85%, see rank | 64.62% | 66.75% |
| Average Family Size | 2.94, see rank | 3.14 | 3.25 |
| Married-Couple Family | 5,841, 63.55%, see rank | 50.17% | 49.60% |
| Nonfamily Households | 2,679, 29.15%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 23,791
| Mercer Island School District | Washington | U.S. | |
| Total Households | 9,532, 100% | 2,512,327 | 112,611,029 |
| Average Household Size | 2.47, see rank | 2.52 | 2.60 |
| 1 Person Households | 2,283, 23.95%, see rank | 27.81% | 27.32% |
| 2 or More Person Households | 7,249, 76.05%, see rank | 72.19% | 72.68% |
| Family Households (Families) | 6,866, 72.03%, see rank | 64.50% | 66.67% |
| Average Family Size | 2.98, see rank | 3.18 | 3.27 |
| Married-Couple Family | 6,098, 63.97%, see rank | 50.27% | 49.71% |
| Nonfamily Households | 2,666, 27.97%, see rank | 35.50% | 33.33% |
* 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.