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Washington County Historical Household and Family Data
ACS 2010-2014 data
Total population: 25,113
| Washington County | Missouri | U.S. | |
| Total Households | 9,062, 100% | 2,361,232 | 116,211,092 |
| Average Household Size | 2.65, see rank | 2.48 | 2.63 |
| 1 Person Households | 2,130, 23.50%, see rank | 29.09% | 27.57% |
| 2 or More Person Households | 6,932, 76.50%, see rank | 70.91% | 72.43% |
| Family Households (Families) | 6,491, 71.63%, see rank | 64.92% | 66.22% |
| Average Family Size | 3.21, see rank | 3.15 | 3.32 |
| Married-Couple Family | 4,893, 53.99%, see rank | 48.54% | 48.42% |
| Nonfamily Households | 2,571, 28.37%, see rank | 35.08% | 33.78% |
US Census 2010 data
Total population: 25,195
| Washington County | Missouri | U.S. | |
| Total Households | 9,355, 100% | 2,375,611 | 116,716,292 |
| Average Household Size | 2.58, see rank | 2.45 | 2.58 |
| 1 Person Households | 2,189, 23.40%, see rank | 28.30% | 26.74% |
| 2 or More Person Households | 7,166, 76.60%, see rank | 71.70% | 73.26% |
| Family Households (Families) | 6,689, 71.50%, see rank | 65.34% | 66.43% |
| Average Family Size | 3.00, see rank | 3.00 | 3.14 |
| Married-Couple Family | 5,048, 53.96%, see rank | 48.45% | 48.42% |
| Nonfamily Households | 2,666, 28.50%, see rank | 34.66% | 33.57% |
ACS 2008-2012 data
Total population: 25,120
| Washington County | Missouri | U.S. | |
| Total Households | 9,221, 100% | 2,358,270 | 115,226,802 |
| Average Household Size | 2.61, see rank | 2.46 | 2.61 |
| 1 Person Households | 2,327, 25.24%, see rank | 28.74% | 27.45% |
| 2 or More Person Households | 6,894, 74.76%, see rank | 71.26% | 72.55% |
| Family Households (Families) | 6,516, 70.66%, see rank | 65.45% | 66.47% |
| Average Family Size | 3.21, see rank | 3.11 | 3.29 |
| Married-Couple Family | 4,951, 53.69%, see rank | 49.16% | 48.97% |
| Nonfamily Households | 2,705, 29.34%, see rank | 34.55% | 33.53% |
ACS 2006-2010 data
Total population: 24,981
| Washington County | Missouri | U.S. | |
| Total Households | 9,070, 100% | 2,349,955 | 114,235,996 |
| Average Household Size | 2.63, see rank | 2.45 | 2.59 |
| 1 Person Households | 2,190, 24.15%, see rank | 28.52% | 27.24% |
| 2 or More Person Households | 6,880, 75.85%, see rank | 71.48% | 72.76% |
| Family Households (Families) | 6,476, 71.40%, see rank | 65.81% | 66.75% |
| Average Family Size | 3.19, see rank | 3.08 | 3.25 |
| Married-Couple Family | 4,856, 53.54%, see rank | 49.87% | 49.60% |
| Nonfamily Households | 2,594, 28.60%, see rank | 34.19% | 33.25% |
ACS 2005-2009 data
Total population: 24,230
| Washington County | Missouri | U.S. | |
| Total Households | 8,615, 100% | 2,322,238 | 112,611,029 |
| Average Household Size | 2.69, see rank | 2.47 | 2.60 |
| 1 Person Households | 1,984, 23.03%, see rank | 28.35% | 27.32% |
| 2 or More Person Households | 6,631, 76.97%, see rank | 71.65% | 72.68% |
| Family Households (Families) | 6,223, 72.23%, see rank | 65.96% | 66.67% |
| Average Family Size | 3.24, see rank | 3.11 | 3.27 |
| Married-Couple Family | 4,717, 54.75%, see rank | 49.97% | 49.71% |
| Nonfamily Households | 2,392, 27.77%, see rank | 34.04% | 33.33% |
US Census 2000 data
Total population: 23,344
| Washington County | Missouri | U.S. | |
| Total Households | 8,406, 100% | 2,194,594 | 105,480,101 |
| Average Household Size | 2.64, see rank | 2.48 | 2.59 |
| 1 Person Households | 1,847, 21.97%, see rank | 27.33% | 25.82% |
| 2 or More Person Households | 6,559, 78.03%, see rank | 72.67% | 74.18% |
| Family Households (Families) | 6,237, 74.20%, see rank | 67.28% | 68.06% |
| Average Family Size | 3.05, see rank | 3.02 | 3.14 |
| Married-Couple Family | 4,930, 58.65%, see rank | 51.99% | 51.66% |
| Nonfamily Households | 2,169, 25.80%, see rank | 32.72% | 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.