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Keystone, IA Historical Household and Family Data
ACS 2010-2014 data
Total population: 657
| Keystone, IA | Iowa | U.S. | |
| Total Households | 277, 100% | 1,232,228 | 116,211,092 |
| Average Household Size | 2.26, see rank | 2.42 | 2.63 |
| 1 Person Households | 79, 28.52%, see rank | 28.77% | 27.57% |
| 2 or More Person Households | 198, 71.48%, see rank | 71.23% | 72.43% |
| Family Households (Families) | 189, 68.23%, see rank | 64.68% | 66.22% |
| Average Family Size | 2.79, see rank | 3.05 | 3.32 |
| Married-Couple Family | 162, 58.48%, see rank | 51.37% | 48.42% |
| Nonfamily Households | 88, 31.77%, see rank | 35.32% | 33.78% |
US Census 2010 data
Total population: 622
| Keystone, IA | Iowa | U.S. | |
| Total Households | 250, 100% | 1,221,576 | 116,716,292 |
| Average Household Size | 2.34, see rank | 2.41 | 2.58 |
| 1 Person Households | 80, 32.00%, see rank | 28.45% | 26.74% |
| 2 or More Person Households | 170, 68.00%, see rank | 71.55% | 73.26% |
| Family Households (Families) | 165, 66.00%, see rank | 64.67% | 66.43% |
| Average Family Size | 2.93, see rank | 2.97 | 3.14 |
| Married-Couple Family | 133, 53.20%, see rank | 51.18% | 48.42% |
| Nonfamily Households | 85, 34.00%, see rank | 35.33% | 33.57% |
ACS 2008-2012 data
Total population: 638
| Keystone, IA | Iowa | U.S. | |
| Total Households | 265, 100% | 1,223,509 | 115,226,802 |
| Average Household Size | 2.28, see rank | 2.41 | 2.61 |
| 1 Person Households | 80, 30.19%, see rank | 28.63% | 27.45% |
| 2 or More Person Households | 185, 69.81%, see rank | 71.37% | 72.55% |
| Family Households (Families) | 176, 66.42%, see rank | 65.05% | 66.47% |
| Average Family Size | 2.88, see rank | 3.03 | 3.29 |
| Married-Couple Family | 152, 57.36%, see rank | 51.96% | 48.97% |
| Nonfamily Households | 89, 33.58%, see rank | 34.95% | 33.53% |
ACS 2006-2010 data
Total population: 674
| Keystone, IA | Iowa | U.S. | |
| Total Households | 271, 100% | 1,215,954 | 114,235,996 |
| Average Household Size | 2.49, see rank | 2.40 | 2.59 |
| 1 Person Households | 75, 27.68%, see rank | 28.44% | 27.24% |
| 2 or More Person Households | 196, 72.32%, see rank | 71.56% | 72.76% |
| Family Households (Families) | 181, 66.79%, see rank | 65.29% | 66.75% |
| Average Family Size | 3.13, see rank | 3.01 | 3.25 |
| Married-Couple Family | 165, 60.89%, see rank | 52.60% | 49.60% |
| Nonfamily Households | 90, 33.21%, see rank | 34.71% | 33.25% |
ACS 2005-2009 data
Total population: 682
| Keystone, IA | Iowa | U.S. | |
| Total Households | 269, 100% | 1,215,970 | 112,611,029 |
| Average Household Size | 2.54, see rank | 2.36 | 2.60 |
| 1 Person Households | 85, 31.60%, see rank | 28.28% | 27.32% |
| 2 or More Person Households | 184, 68.40%, see rank | 71.72% | 72.68% |
| Family Households (Families) | 171, 63.57%, see rank | 65.23% | 66.67% |
| Average Family Size | 3.31, see rank | 2.96 | 3.27 |
| Married-Couple Family | 155, 57.62%, see rank | 52.57% | 49.71% |
| Nonfamily Households | 98, 36.43%, see rank | 34.77% | 33.33% |
US Census 2000 data
Total population: 687
| Keystone, IA | Iowa | U.S. | |
| Total Households | 273, 100% | 1,149,276 | 105,480,101 |
| Average Household Size | 2.37, see rank | 2.46 | 2.59 |
| 1 Person Households | 89, 32.60%, see rank | 27.24% | 25.82% |
| 2 or More Person Households | 184, 67.40%, see rank | 72.76% | 74.18% |
| Family Households (Families) | 175, 64.10%, see rank | 66.97% | 68.06% |
| Average Family Size | 3.05, see rank | 3.00 | 3.14 |
| Married-Couple Family | 151, 55.31%, see rank | 55.10% | 51.66% |
| Nonfamily Households | 98, 35.90%, see rank | 33.03% | 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.