Grant County Historical Household and Family Data
ACS 2010-2014 data
Total population: 91,458
| Grant County | Washington | U.S. | |
| Total Households | 30,233, 100% | 2,645,396 | 116,211,092 |
| Average Household Size | 2.99, see rank | 2.55 | 2.63 |
| 1 Person Households | 6,992, 23.13%, see rank | 27.79% | 27.57% |
| 2 or More Person Households | 23,241, 76.87%, see rank | 72.21% | 72.43% |
| Family Households (Families) | 21,908, 72.46%, see rank | 64.48% | 66.22% |
| Average Family Size | 3.64, see rank | 3.23 | 3.32 |
| Married-Couple Family | 16,456, 54.43%, see rank | 49.73% | 48.42% |
| Nonfamily Households | 8,325, 27.54%, see rank | 35.52% | 33.78% |
US Census 2010 data
Total population: 89,120
| Grant County | Washington | U.S. | |
| Total Households | 30,041, 100% | 2,620,076 | 116,716,292 |
| Average Household Size | 2.93, see rank | 2.51 | 2.58 |
| 1 Person Households | 6,621, 22.04%, see rank | 27.16% | 26.74% |
| 2 or More Person Households | 23,420, 77.96%, see rank | 72.84% | 73.26% |
| Family Households (Families) | 21,800, 72.57%, see rank | 64.40% | 66.43% |
| Average Family Size | 3.40, see rank | 3.06 | 3.14 |
| Married-Couple Family | 16,423, 54.67%, see rank | 49.19% | 48.42% |
| Nonfamily Households | 8,241, 27.43%, see rank | 35.60% | 33.57% |
ACS 2008-2012 data
Total population: 88,885
| Grant County | Washington | U.S. | |
| Total Households | 30,067, 100% | 2,619,995 | 115,226,802 |
| Average Household Size | 2.92, see rank | 2.52 | 2.61 |
| 1 Person Households | 7,205, 23.96%, see rank | 27.74% | 27.45% |
| 2 or More Person Households | 22,862, 76.04%, see rank | 72.26% | 72.55% |
| Family Households (Families) | 21,700, 72.17%, see rank | 64.49% | 66.47% |
| Average Family Size | 3.57, see rank | 3.18 | 3.29 |
| Married-Couple Family | 16,119, 53.61%, see rank | 49.98% | 48.97% |
| Nonfamily Households | 8,367, 27.83%, see rank | 35.51% | 33.53% |
ACS 2006-2010 data
Total population: 85,142
| Grant County | Washington | U.S. | |
| Total Households | 29,427, 100% | 2,577,375 | 114,235,996 |
| Average Household Size | 2.84, see rank | 2.49 | 2.59 |
| 1 Person Households | 6,993, 23.76%, see rank | 27.74% | 27.24% |
| 2 or More Person Households | 22,434, 76.24%, see rank | 72.26% | 72.76% |
| Family Households (Families) | 21,185, 71.99%, see rank | 64.62% | 66.75% |
| Average Family Size | 3.47, see rank | 3.14 | 3.25 |
| Married-Couple Family | 15,755, 53.54%, see rank | 50.17% | 49.60% |
| Nonfamily Households | 8,242, 28.01%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 83,612
| Grant County | Washington | U.S. | |
| Total Households | 27,963, 100% | 2,512,327 | 112,611,029 |
| Average Household Size | 2.94, see rank | 2.52 | 2.60 |
| 1 Person Households | 6,419, 22.96%, see rank | 27.81% | 27.32% |
| 2 or More Person Households | 21,544, 77.04%, see rank | 72.19% | 72.68% |
| Family Households (Families) | 20,370, 72.85%, see rank | 64.50% | 66.67% |
| Average Family Size | 3.57, see rank | 3.18 | 3.27 |
| Married-Couple Family | 15,608, 55.82%, see rank | 50.27% | 49.71% |
| Nonfamily Households | 7,593, 27.15%, see rank | 35.50% | 33.33% |
US Census 2000 data
Total population: 74,698
| Grant County | Washington | U.S. | |
| Total Households | 25,204, 100% | 2,271,398 | 105,480,101 |
| Average Household Size | 2.92, see rank | 2.53 | 2.59 |
| 1 Person Households | 5,343, 21.20%, see rank | 26.17% | 25.82% |
| 2 or More Person Households | 19,861, 78.80%, see rank | 73.83% | 74.18% |
| Family Households (Families) | 18,674, 74.09%, see rank | 66.00% | 68.06% |
| Average Family Size | 3.38, see rank | 3.07 | 3.14 |
| Married-Couple Family | 14,955, 59.34%, see rank | 52.04% | 51.66% |
| Nonfamily Households | 6,530, 25.91%, 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.