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Gravity, IA Historical Household and Family Data
ACS 2010-2014 data
Total population: 146
| Gravity, IA | Iowa | U.S. | |
| Total Households | 87, 100% | 1,232,228 | 116,211,092 |
| Average Household Size | 1.68, see rank | 2.42 | 2.63 |
| 1 Person Households | 37, 42.53%, see rank | 28.77% | 27.57% |
| 2 or More Person Households | 50, 57.47%, see rank | 71.23% | 72.43% |
| Family Households (Families) | 43, 49.43%, see rank | 64.68% | 66.22% |
| Average Family Size | 2.26, see rank | 3.05 | 3.32 |
| Married-Couple Family | 37, 42.53%, see rank | 51.37% | 48.42% |
| Nonfamily Households | 44, 50.57%, see rank | 35.32% | 33.78% |
US Census 2010 data
Total population: 188
| Gravity, IA | Iowa | U.S. | |
| Total Households | 82, 100% | 1,221,576 | 116,716,292 |
| Average Household Size | 2.29, see rank | 2.41 | 2.58 |
| 1 Person Households | 23, 28.05%, see rank | 28.45% | 26.74% |
| 2 or More Person Households | 59, 71.95%, see rank | 71.55% | 73.26% |
| Family Households (Families) | 53, 64.63%, see rank | 64.67% | 66.43% |
| Average Family Size | 2.68, see rank | 2.97 | 3.14 |
| Married-Couple Family | 41, 50.00%, see rank | 51.18% | 48.42% |
| Nonfamily Households | 29, 35.37%, see rank | 35.33% | 33.57% |
ACS 2008-2012 data
Total population: 147
| Gravity, IA | Iowa | U.S. | |
| Total Households | 75, 100% | 1,223,509 | 115,226,802 |
| Average Household Size | 1.96, see rank | 2.41 | 2.61 |
| 1 Person Households | 28, 37.33%, see rank | 28.63% | 27.45% |
| 2 or More Person Households | 47, 62.67%, see rank | 71.37% | 72.55% |
| Family Households (Families) | 44, 58.67%, see rank | 65.05% | 66.47% |
| Average Family Size | 2.57, see rank | 3.03 | 3.29 |
| Married-Couple Family | 35, 46.67%, see rank | 51.96% | 48.97% |
| Nonfamily Households | 31, 41.33%, see rank | 34.95% | 33.53% |
ACS 2006-2010 data
Total population: 138
| Gravity, IA | Iowa | U.S. | |
| Total Households | 60, 100% | 1,215,954 | 114,235,996 |
| Average Household Size | 2.30, see rank | 2.40 | 2.59 |
| 1 Person Households | 14, 23.33%, see rank | 28.44% | 27.24% |
| 2 or More Person Households | 46, 76.67%, see rank | 71.56% | 72.76% |
| Family Households (Families) | 39, 65.00%, see rank | 65.29% | 66.75% |
| Average Family Size | 2.82, see rank | 3.01 | 3.25 |
| Married-Couple Family | 24, 40.00%, see rank | 52.60% | 49.60% |
| Nonfamily Households | 21, 35.00%, see rank | 34.71% | 33.25% |
ACS 2005-2009 data
Total population: 194
| Gravity, IA | Iowa | U.S. | |
| Total Households | 90, 100% | 1,215,970 | 112,611,029 |
| Average Household Size | 2.16, see rank | 2.36 | 2.60 |
| 1 Person Households | 14, 15.56%, see rank | 28.28% | 27.32% |
| 2 or More Person Households | 76, 84.44%, see rank | 71.72% | 72.68% |
| Family Households (Families) | 68, 75.56%, see rank | 65.23% | 66.67% |
| Average Family Size | 2.40, see rank | 2.96 | 3.27 |
| Married-Couple Family | 48, 53.33%, see rank | 52.57% | 49.71% |
| Nonfamily Households | 22, 24.44%, see rank | 34.77% | 33.33% |
US Census 2000 data
Total population: 218
| Gravity, IA | Iowa | U.S. | |
| Total Households | 85, 100% | 1,149,276 | 105,480,101 |
| Average Household Size | 2.56, see rank | 2.46 | 2.59 |
| 1 Person Households | 19, 22.35%, see rank | 27.24% | 25.82% |
| 2 or More Person Households | 66, 77.65%, see rank | 72.76% | 74.18% |
| Family Households (Families) | 64, 75.29%, see rank | 66.97% | 68.06% |
| Average Family Size | 2.98, see rank | 3.00 | 3.14 |
| Married-Couple Family | 51, 60.00%, see rank | 55.10% | 51.66% |
| Nonfamily Households | 21, 24.71%, 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.