Washington County Historical Household and Family Data
ACS 2010-2014 data
Total population: 10,068
| Washington County | Idaho | U.S. | |
| Total Households | 3,897, 100% | 585,259 | 116,211,092 |
| Average Household Size | 2.54, see rank | 2.68 | 2.63 |
| 1 Person Households | 1,221, 31.33%, see rank | 24.37% | 27.57% |
| 2 or More Person Households | 2,676, 68.67%, see rank | 75.63% | 72.43% |
| Family Households (Families) | 2,477, 63.56%, see rank | 69.49% | 66.22% |
| Average Family Size | 3.32, see rank | 3.29 | 3.32 |
| Married-Couple Family | 1,949, 50.01%, see rank | 55.52% | 48.42% |
| Nonfamily Households | 1,420, 36.44%, see rank | 30.51% | 33.78% |
US Census 2010 data
Total population: 10,198
| Washington County | Idaho | U.S. | |
| Total Households | 4,034, 100% | 579,408 | 116,716,292 |
| Average Household Size | 2.50, see rank | 2.66 | 2.58 |
| 1 Person Households | 1,042, 25.83%, see rank | 23.78% | 26.74% |
| 2 or More Person Households | 2,992, 74.17%, see rank | 76.22% | 73.26% |
| Family Households (Families) | 2,803, 69.48%, see rank | 69.58% | 66.43% |
| Average Family Size | 2.99, see rank | 3.16 | 3.14 |
| Married-Couple Family | 2,213, 54.86%, see rank | 55.30% | 48.42% |
| Nonfamily Households | 1,231, 30.52%, see rank | 30.42% | 33.57% |
ACS 2008-2012 data
Total population: 10,144
| Washington County | Idaho | U.S. | |
| Total Households | 3,994, 100% | 577,648 | 115,226,802 |
| Average Household Size | 2.50, see rank | 2.66 | 2.61 |
| 1 Person Households | 1,013, 25.36%, see rank | 23.81% | 27.45% |
| 2 or More Person Households | 2,981, 74.64%, see rank | 76.19% | 72.55% |
| Family Households (Families) | 2,782, 69.65%, see rank | 69.95% | 66.47% |
| Average Family Size | 3.08, see rank | 3.24 | 3.29 |
| Married-Couple Family | 2,108, 52.78%, see rank | 56.14% | 48.97% |
| Nonfamily Households | 1,212, 30.35%, see rank | 30.05% | 33.53% |
ACS 2006-2010 data
Total population: 10,105
| Washington County | Idaho | U.S. | |
| Total Households | 4,010, 100% | 570,283 | 114,235,996 |
| Average Household Size | 2.49, see rank | 2.63 | 2.59 |
| 1 Person Households | 966, 24.09%, see rank | 23.64% | 27.24% |
| 2 or More Person Households | 3,044, 75.91%, see rank | 76.36% | 72.76% |
| Family Households (Families) | 2,882, 71.87%, see rank | 70.11% | 66.75% |
| Average Family Size | 3.01, see rank | 3.19 | 3.25 |
| Married-Couple Family | 2,294, 57.21%, see rank | 56.85% | 49.60% |
| Nonfamily Households | 1,128, 28.13%, see rank | 29.89% | 33.25% |
ACS 2005-2009 data
Total population: 10,011
| Washington County | Idaho | U.S. | |
| Total Households | 4,026, 100% | 552,726 | 112,611,029 |
| Average Household Size | 2.41, see rank | 2.64 | 2.60 |
| 1 Person Households | 877, 21.78%, see rank | 23.42% | 27.32% |
| 2 or More Person Households | 3,149, 78.22%, see rank | 76.58% | 72.68% |
| Family Households (Families) | 3,024, 75.11%, see rank | 70.28% | 66.67% |
| Average Family Size | 2.84, see rank | 3.20 | 3.27 |
| Married-Couple Family | 2,316, 57.53%, see rank | 57.01% | 49.71% |
| Nonfamily Households | 1,002, 24.89%, see rank | 29.72% | 33.33% |
US Census 2000 data
Total population: 9,977
| Washington County | Idaho | U.S. | |
| Total Households | 3,762, 100% | 469,645 | 105,480,101 |
| Average Household Size | 2.61, see rank | 2.69 | 2.59 |
| 1 Person Households | 883, 23.47%, see rank | 22.39% | 25.82% |
| 2 or More Person Households | 2,879, 76.53%, see rank | 77.61% | 74.18% |
| Family Households (Families) | 2,737, 72.75%, see rank | 71.46% | 68.06% |
| Average Family Size | 3.10, see rank | 3.17 | 3.14 |
| Married-Couple Family | 2,284, 60.71%, see rank | 58.88% | 51.66% |
| Nonfamily Households | 1,025, 27.25%, see rank | 28.54% | 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.