Whitman County Historical Household and Family Data
ACS 2010-2014 data
Total population: 46,003
| Whitman County | Washington | U.S. | |
| Total Households | 17,174, 100% | 2,645,396 | 116,211,092 |
| Average Household Size | 2.30, see rank | 2.55 | 2.63 |
| 1 Person Households | 5,278, 30.73%, see rank | 27.79% | 27.57% |
| 2 or More Person Households | 11,896, 69.27%, see rank | 72.21% | 72.43% |
| Family Households (Families) | 8,370, 48.74%, see rank | 64.48% | 66.22% |
| Average Family Size | 2.94, see rank | 3.23 | 3.32 |
| Married-Couple Family | 6,888, 40.11%, see rank | 49.73% | 48.42% |
| Nonfamily Households | 8,804, 51.26%, see rank | 35.52% | 33.78% |
US Census 2010 data
Total population: 44,776
| Whitman County | Washington | U.S. | |
| Total Households | 17,468, 100% | 2,620,076 | 116,716,292 |
| Average Household Size | 2.22, see rank | 2.51 | 2.58 |
| 1 Person Households | 5,710, 32.69%, see rank | 27.16% | 26.74% |
| 2 or More Person Households | 11,758, 67.31%, see rank | 72.84% | 73.26% |
| Family Households (Families) | 8,130, 46.54%, see rank | 64.40% | 66.43% |
| Average Family Size | 2.86, see rank | 3.06 | 3.14 |
| Married-Couple Family | 6,711, 38.42%, see rank | 49.19% | 48.42% |
| Nonfamily Households | 9,338, 53.46%, see rank | 35.60% | 33.57% |
ACS 2008-2012 data
Total population: 44,997
| Whitman County | Washington | U.S. | |
| Total Households | 16,424, 100% | 2,619,995 | 115,226,802 |
| Average Household Size | 2.37, see rank | 2.52 | 2.61 |
| 1 Person Households | 4,986, 30.36%, see rank | 27.74% | 27.45% |
| 2 or More Person Households | 11,438, 69.64%, see rank | 72.26% | 72.55% |
| Family Households (Families) | 8,362, 50.91%, see rank | 64.49% | 66.47% |
| Average Family Size | 2.95, see rank | 3.18 | 3.29 |
| Married-Couple Family | 7,127, 43.39%, see rank | 49.98% | 48.97% |
| Nonfamily Households | 8,062, 49.09%, see rank | 35.51% | 33.53% |
ACS 2006-2010 data
Total population: 43,747
| Whitman County | Washington | U.S. | |
| Total Households | 15,717, 100% | 2,577,375 | 114,235,996 |
| Average Household Size | 2.41, see rank | 2.49 | 2.59 |
| 1 Person Households | 4,898, 31.16%, see rank | 27.74% | 27.24% |
| 2 or More Person Households | 10,819, 68.84%, see rank | 72.26% | 72.76% |
| Family Households (Families) | 8,173, 52.00%, see rank | 64.62% | 66.75% |
| Average Family Size | 2.99, see rank | 3.14 | 3.25 |
| Married-Couple Family | 7,107, 45.22%, see rank | 50.17% | 49.60% |
| Nonfamily Households | 7,544, 48.00%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 41,793
| Whitman County | Washington | U.S. | |
| Total Households | 15,581, 100% | 2,512,327 | 112,611,029 |
| Average Household Size | 2.34, see rank | 2.52 | 2.60 |
| 1 Person Households | 4,619, 29.65%, see rank | 27.81% | 27.32% |
| 2 or More Person Households | 10,962, 70.35%, see rank | 72.19% | 72.68% |
| Family Households (Families) | 8,120, 52.11%, see rank | 64.50% | 66.67% |
| Average Family Size | 2.94, see rank | 3.18 | 3.27 |
| Married-Couple Family | 7,075, 45.41%, see rank | 50.27% | 49.71% |
| Nonfamily Households | 7,461, 47.89%, see rank | 35.50% | 33.33% |
US Census 2000 data
Total population: 40,740
| Whitman County | Washington | U.S. | |
| Total Households | 15,257, 100% | 2,271,398 | 105,480,101 |
| Average Household Size | 2.31, see rank | 2.53 | 2.59 |
| 1 Person Households | 4,487, 29.41%, see rank | 26.17% | 25.82% |
| 2 or More Person Households | 10,770, 70.59%, see rank | 73.83% | 74.18% |
| Family Households (Families) | 8,057, 52.81%, see rank | 66.00% | 68.06% |
| Average Family Size | 2.91, see rank | 3.07 | 3.14 |
| Married-Couple Family | 6,750, 44.24%, see rank | 52.04% | 51.66% |
| Nonfamily Households | 7,200, 47.19%, 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.