Iowa Historical Household and Family Data
ACS 2010-2014 data
Total population: 3,078,116
| Iowa | % | U.S. | |
| Total Households | 1,232,228 | 100% | 116,211,092 |
| Average Household Size | 2.42, see rank | - | 2.63 |
| 1 Person Households | 354,507 | 28.77%, see rank | 27.57% |
| 2 or More Person Households | 877,721 | 71.23%, see rank | 72.43% |
| Family Households (Families) | 797,031 | 64.68%, see rank | 66.22% |
| Average Family Size | 3.05, see rank | - | 3.32 |
| Married-Couple Family | 632,945 | 51.37%, see rank | 48.42% |
| Nonfamily Households | 435,197 | 35.32%, see rank | 33.78% |
US Census 2010 data
Total population: 3,046,355
| Iowa | % | U.S. | |
| Total Households | 1,221,576 | 100% | 116,716,292 |
| Average Household Size | 2.41, see rank | - | 2.58 |
| 1 Person Households | 347,479 | 28.45%, see rank | 26.74% |
| 2 or More Person Households | 874,097 | 71.55%, see rank | 73.26% |
| Family Households (Families) | 790,034 | 64.67%, see rank | 66.43% |
| Average Family Size | 2.97, see rank | - | 3.14 |
| Married-Couple Family | 625,173 | 51.18%, see rank | 48.42% |
| Nonfamily Households | 431,542 | 35.33%, see rank | 33.57% |
ACS 2008-2012 data
Total population: 3,047,646
| Iowa | % | U.S. | |
| Total Households | 1,223,509 | 100% | 115,226,802 |
| Average Household Size | 2.41, see rank | - | 2.61 |
| 1 Person Households | 350,339 | 28.63%, see rank | 27.45% |
| 2 or More Person Households | 873,170 | 71.37%, see rank | 72.55% |
| Family Households (Families) | 795,898 | 65.05%, see rank | 66.47% |
| Average Family Size | 3.03, see rank | - | 3.29 |
| Married-Couple Family | 635,714 | 51.96%, see rank | 48.97% |
| Nonfamily Households | 427,611 | 34.95%, see rank | 33.53% |
ACS 2006-2010 data
Total population: 3,016,267
| Iowa | % | U.S. | |
| Total Households | 1,215,954 | 100% | 114,235,996 |
| Average Household Size | 2.40, see rank | - | 2.59 |
| 1 Person Households | 345,813 | 28.44%, see rank | 27.24% |
| 2 or More Person Households | 870,141 | 71.56%, see rank | 72.76% |
| Family Households (Families) | 793,842 | 65.29%, see rank | 66.75% |
| Average Family Size | 3.01, see rank | - | 3.25 |
| Married-Couple Family | 639,628 | 52.60%, see rank | 49.60% |
| Nonfamily Households | 422,112 | 34.71%, see rank | 33.25% |
ACS 2005-2009 data
Total population: 2,978,880
| Iowa | % | U.S. | |
| Total Households | 1,215,970 | 100% | 112,611,029 |
| Average Household Size | 2.36, see rank | - | 2.60 |
| 1 Person Households | 343,853 | 28.28%, see rank | 27.32% |
| 2 or More Person Households | 872,117 | 71.72%, see rank | 72.68% |
| Family Households (Families) | 793,162 | 65.23%, see rank | 66.67% |
| Average Family Size | 2.96, see rank | - | 3.27 |
| Married-Couple Family | 639,285 | 52.57%, see rank | 49.71% |
| Nonfamily Households | 422,808 | 34.77%, see rank | 33.33% |
US Census 2000 data
Total population: 2,926,324
| Iowa | % | U.S. | |
| Total Households | 1,149,276 | 100% | 105,480,101 |
| Average Household Size | 2.46, see rank | - | 2.59 |
| 1 Person Households | 313,083 | 27.24%, see rank | 25.82% |
| 2 or More Person Households | 836,193 | 72.76%, see rank | 74.18% |
| Family Households (Families) | 769,684 | 66.97%, see rank | 68.06% |
| Average Family Size | 3.00, see rank | - | 3.14 |
| Married-Couple Family | 633,254 | 55.10%, see rank | 51.66% |
| Nonfamily Households | 379,592 | 33.03%, 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.