Idaho Historical Household and Family Data
ACS 2010-2014 data
Total population: 1,599,464
| Idaho | % | U.S. | |
| Total Households | 585,259 | 100% | 116,211,092 |
| Average Household Size | 2.68, see rank | - | 2.63 |
| 1 Person Households | 142,654 | 24.37%, see rank | 27.57% |
| 2 or More Person Households | 442,605 | 75.63%, see rank | 72.43% |
| Family Households (Families) | 406,703 | 69.49%, see rank | 66.22% |
| Average Family Size | 3.29, see rank | - | 3.32 |
| Married-Couple Family | 324,946 | 55.52%, see rank | 48.42% |
| Nonfamily Households | 178,556 | 30.51%, see rank | 33.78% |
US Census 2010 data
Total population: 1,567,582
| Idaho | % | U.S. | |
| Total Households | 579,408 | 100% | 116,716,292 |
| Average Household Size | 2.66, see rank | - | 2.58 |
| 1 Person Households | 137,785 | 23.78%, see rank | 26.74% |
| 2 or More Person Households | 441,623 | 76.22%, see rank | 73.26% |
| Family Households (Families) | 403,144 | 69.58%, see rank | 66.43% |
| Average Family Size | 3.16, see rank | - | 3.14 |
| Married-Couple Family | 320,390 | 55.30%, see rank | 48.42% |
| Nonfamily Households | 176,264 | 30.42%, see rank | 33.57% |
ACS 2008-2012 data
Total population: 1,567,803
| Idaho | % | U.S. | |
| Total Households | 577,648 | 100% | 115,226,802 |
| Average Household Size | 2.66, see rank | - | 2.61 |
| 1 Person Households | 137,564 | 23.81%, see rank | 27.45% |
| 2 or More Person Households | 440,084 | 76.19%, see rank | 72.55% |
| Family Households (Families) | 404,091 | 69.95%, see rank | 66.47% |
| Average Family Size | 3.24, see rank | - | 3.29 |
| Married-Couple Family | 324,267 | 56.14%, see rank | 48.97% |
| Nonfamily Households | 173,557 | 30.05%, see rank | 33.53% |
ACS 2006-2010 data
Total population: 1,526,797
| Idaho | % | U.S. | |
| Total Households | 570,283 | 100% | 114,235,996 |
| Average Household Size | 2.63, see rank | - | 2.59 |
| 1 Person Households | 134,828 | 23.64%, see rank | 27.24% |
| 2 or More Person Households | 435,455 | 76.36%, see rank | 72.76% |
| Family Households (Families) | 399,824 | 70.11%, see rank | 66.75% |
| Average Family Size | 3.19, see rank | - | 3.25 |
| Married-Couple Family | 324,191 | 56.85%, see rank | 49.60% |
| Nonfamily Households | 170,459 | 29.89%, see rank | 33.25% |
ACS 2005-2009 data
Total population: 1,492,573
| Idaho | % | U.S. | |
| Total Households | 552,726 | 100% | 112,611,029 |
| Average Household Size | 2.64, see rank | - | 2.60 |
| 1 Person Households | 129,473 | 23.42%, see rank | 27.32% |
| 2 or More Person Households | 423,253 | 76.58%, see rank | 72.68% |
| Family Households (Families) | 388,472 | 70.28%, see rank | 66.67% |
| Average Family Size | 3.20, see rank | - | 3.27 |
| Married-Couple Family | 315,115 | 57.01%, see rank | 49.71% |
| Nonfamily Households | 164,254 | 29.72%, see rank | 33.33% |
US Census 2000 data
Total population: 1,293,953
| Idaho | % | U.S. | |
| Total Households | 469,645 | 100% | 105,480,101 |
| Average Household Size | 2.69, see rank | - | 2.59 |
| 1 Person Households | 105,175 | 22.39%, see rank | 25.82% |
| 2 or More Person Households | 364,470 | 77.61%, see rank | 74.18% |
| Family Households (Families) | 335,588 | 71.46%, see rank | 68.06% |
| Average Family Size | 3.17, see rank | - | 3.14 |
| Married-Couple Family | 276,511 | 58.88%, see rank | 51.66% |
| Nonfamily Households | 134,057 | 28.54%, see rank | 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.