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Mountlake Terrace, WA Historical Household and Family Data
ACS 2010-2014 data
Total population: 20,318
| Mountlake Terrace, WA | Washington | U.S. | |
| Total Households | 8,209, 100% | 2,645,396 | 116,211,092 |
| Average Household Size | 2.46, see rank | 2.55 | 2.63 |
| 1 Person Households | 2,460, 29.97%, see rank | 27.79% | 27.57% |
| 2 or More Person Households | 5,749, 70.03%, see rank | 72.21% | 72.43% |
| Family Households (Families) | 5,112, 62.27%, see rank | 64.48% | 66.22% |
| Average Family Size | 3.16, see rank | 3.23 | 3.32 |
| Married-Couple Family | 3,407, 41.50%, see rank | 49.73% | 48.42% |
| Nonfamily Households | 3,097, 37.73%, see rank | 35.52% | 33.78% |
US Census 2010 data
Total population: 19,909
| Mountlake Terrace, WA | Washington | U.S. | |
| Total Households | 8,192, 100% | 2,620,076 | 116,716,292 |
| Average Household Size | 2.42, see rank | 2.51 | 2.58 |
| 1 Person Households | 2,484, 30.32%, see rank | 27.16% | 26.74% |
| 2 or More Person Households | 5,708, 69.68%, see rank | 72.84% | 73.26% |
| Family Households (Families) | 4,891, 59.70%, see rank | 64.40% | 66.43% |
| Average Family Size | 3.04, see rank | 3.06 | 3.14 |
| Married-Couple Family | 3,378, 41.24%, see rank | 49.19% | 48.42% |
| Nonfamily Households | 3,301, 40.30%, see rank | 35.60% | 33.57% |
ACS 2008-2012 data
Total population: 20,026
| Mountlake Terrace, WA | Washington | U.S. | |
| Total Households | 8,245, 100% | 2,619,995 | 115,226,802 |
| Average Household Size | 2.42, see rank | 2.52 | 2.61 |
| 1 Person Households | 2,444, 29.64%, see rank | 27.74% | 27.45% |
| 2 or More Person Households | 5,801, 70.36%, see rank | 72.26% | 72.55% |
| Family Households (Families) | 5,049, 61.24%, see rank | 64.49% | 66.47% |
| Average Family Size | 3.09, see rank | 3.18 | 3.29 |
| Married-Couple Family | 3,311, 40.16%, see rank | 49.98% | 48.97% |
| Nonfamily Households | 3,196, 38.76%, see rank | 35.51% | 33.53% |
ACS 2006-2010 data
Total population: 19,998
| Mountlake Terrace, WA | Washington | U.S. | |
| Total Households | 8,302, 100% | 2,577,375 | 114,235,996 |
| Average Household Size | 2.41, see rank | 2.49 | 2.59 |
| 1 Person Households | 2,369, 28.54%, see rank | 27.74% | 27.24% |
| 2 or More Person Households | 5,933, 71.46%, see rank | 72.26% | 72.76% |
| Family Households (Families) | 5,308, 63.94%, see rank | 64.62% | 66.75% |
| Average Family Size | 3.04, see rank | 3.14 | 3.25 |
| Married-Couple Family | 3,459, 41.66%, see rank | 50.17% | 49.60% |
| Nonfamily Households | 2,994, 36.06%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 20,048
| Mountlake Terrace, WA | Washington | U.S. | |
| Total Households | 8,660, 100% | 2,512,327 | 112,611,029 |
| Average Household Size | 2.32, see rank | 2.52 | 2.60 |
| 1 Person Households | 2,520, 29.10%, see rank | 27.81% | 27.32% |
| 2 or More Person Households | 6,140, 70.90%, see rank | 72.19% | 72.68% |
| Family Households (Families) | 5,364, 61.94%, see rank | 64.50% | 66.67% |
| Average Family Size | 2.95, see rank | 3.18 | 3.27 |
| Married-Couple Family | 3,526, 40.72%, see rank | 50.27% | 49.71% |
| Nonfamily Households | 3,296, 38.06%, see rank | 35.50% | 33.33% |
US Census 2000 data
Total population: 20,362
| Mountlake Terrace, WA | Washington | U.S. | |
| Total Households | 7,962, 100% | 2,271,398 | 105,480,101 |
| Average Household Size | 2.54, see rank | 2.53 | 2.59 |
| 1 Person Households | 2,089, 26.24%, see rank | 26.17% | 25.82% |
| 2 or More Person Households | 5,873, 73.76%, see rank | 73.83% | 74.18% |
| Family Households (Families) | 5,018, 63.02%, see rank | 66.00% | 68.06% |
| Average Family Size | 3.11, see rank | 3.07 | 3.14 |
| Married-Couple Family | 3,676, 46.17%, see rank | 52.04% | 51.66% |
| Nonfamily Households | 2,944, 36.98%, 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.