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Marietta-Alderwood, WA Historical Household and Family Data
ACS 2010-2014 data
Total population: 4,435
| Marietta-Alderwood, WA | Washington | U.S. | |
| Total Households | 1,682, 100% | 2,645,396 | 116,211,092 |
| Average Household Size | 2.64, see rank | 2.55 | 2.63 |
| 1 Person Households | 474, 28.18%, see rank | 27.79% | 27.57% |
| 2 or More Person Households | 1,208, 71.82%, see rank | 72.21% | 72.43% |
| Family Households (Families) | 1,014, 60.29%, see rank | 64.48% | 66.22% |
| Average Family Size | 3.51, see rank | 3.23 | 3.32 |
| Married-Couple Family | 696, 41.38%, see rank | 49.73% | 48.42% |
| Nonfamily Households | 668, 39.71%, see rank | 35.52% | 33.78% |
US Census 2010 data
Total population: 3,906
| Marietta-Alderwood, WA | Washington | U.S. | |
| Total Households | 1,714, 100% | 2,620,076 | 116,716,292 |
| Average Household Size | 2.28, see rank | 2.51 | 2.58 |
| 1 Person Households | 540, 31.51%, see rank | 27.16% | 26.74% |
| 2 or More Person Households | 1,174, 68.49%, see rank | 72.84% | 73.26% |
| Family Households (Families) | 995, 58.05%, see rank | 64.40% | 66.43% |
| Average Family Size | 2.87, see rank | 3.06 | 3.14 |
| Married-Couple Family | 726, 42.36%, see rank | 49.19% | 48.42% |
| Nonfamily Households | 719, 41.95%, see rank | 35.60% | 33.57% |
ACS 2008-2012 data
Total population: 3,782
| Marietta-Alderwood, WA | Washington | U.S. | |
| Total Households | 1,584, 100% | 2,619,995 | 115,226,802 |
| Average Household Size | 2.39, see rank | 2.52 | 2.61 |
| 1 Person Households | 482, 30.43%, see rank | 27.74% | 27.45% |
| 2 or More Person Households | 1,102, 69.57%, see rank | 72.26% | 72.55% |
| Family Households (Families) | 869, 54.86%, see rank | 64.49% | 66.47% |
| Average Family Size | 3.15, see rank | 3.18 | 3.29 |
| Married-Couple Family | 628, 39.65%, see rank | 49.98% | 48.97% |
| Nonfamily Households | 715, 45.14%, see rank | 35.51% | 33.53% |
ACS 2006-2010 data
Total population: 4,132
| Marietta-Alderwood, WA | Washington | U.S. | |
| Total Households | 1,641, 100% | 2,577,375 | 114,235,996 |
| Average Household Size | 2.52, see rank | 2.49 | 2.59 |
| 1 Person Households | 414, 25.23%, see rank | 27.74% | 27.24% |
| 2 or More Person Households | 1,227, 74.77%, see rank | 72.26% | 72.76% |
| Family Households (Families) | 1,104, 67.28%, see rank | 64.62% | 66.75% |
| Average Family Size | 3.05, see rank | 3.14 | 3.25 |
| Married-Couple Family | 895, 54.54%, see rank | 50.17% | 49.60% |
| Nonfamily Households | 537, 32.72%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 4,557
| Marietta-Alderwood, WA | Washington | U.S. | |
| Total Households | 1,754, 100% | 2,512,327 | 112,611,029 |
| Average Household Size | 2.60, see rank | 2.52 | 2.60 |
| 1 Person Households | 402, 22.92%, see rank | 27.81% | 27.32% |
| 2 or More Person Households | 1,352, 77.08%, see rank | 72.19% | 72.68% |
| Family Households (Families) | 1,214, 69.21%, see rank | 64.50% | 66.67% |
| Average Family Size | 3.09, see rank | 3.18 | 3.27 |
| Married-Couple Family | 962, 54.85%, see rank | 50.27% | 49.71% |
| Nonfamily Households | 540, 30.79%, see rank | 35.50% | 33.33% |
US Census 2000 data
Total population: 3,594
| Marietta-Alderwood, WA | Washington | U.S. | |
| Total Households | 1,517, 100% | 2,271,398 | 105,480,101 |
| Average Household Size | 2.37, see rank | 2.53 | 2.59 |
| 1 Person Households | 416, 27.42%, see rank | 26.17% | 25.82% |
| 2 or More Person Households | 1,101, 72.58%, see rank | 73.83% | 74.18% |
| Family Households (Families) | 930, 61.31%, see rank | 66.00% | 68.06% |
| Average Family Size | 2.90, see rank | 3.07 | 3.14 |
| Married-Couple Family | 690, 45.48%, see rank | 52.04% | 51.66% |
| Nonfamily Households | 587, 38.69%, 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.