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Volcano, CA Historical Household and Family Data
US Census 2010 data
Total population: 115
| Volcano, CA | California | U.S. | |
| Total Households | 55, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.09, see rank | 2.90 | 2.58 |
| 1 Person Households | 18, 32.73%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 37, 67.27%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 33, 60.00%, see rank | 68.71% | 66.43% |
| Average Family Size | 2.52, see rank | 3.45 | 3.14 |
| Married-Couple Family | 23, 41.82%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 22, 40.00%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 179
| Volcano, CA | California | U.S. | |
| Total Households | 87, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.06, see rank | 2.93 | 2.61 |
| 1 Person Households | 0, 0.00%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 87, 100.00%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 51, 58.62%, see rank | 68.59% | 66.47% |
| Average Family Size | 2.02, see rank | 3.65 | 3.29 |
| Married-Couple Family | 51, 58.62%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 36, 41.38%, see rank | 31.41% | 33.53% |
ACS 2006-2010 data
Total population: 177
| Volcano, CA | California | U.S. | |
| Total Households | 78, 100% | 12,392,852 | 114,235,996 |
| Average Household Size | 2.27, see rank | 2.89 | 2.59 |
| 1 Person Households | 0, 0.00%, see rank | 24.39% | 27.24% |
| 2 or More Person Households | 78, 100.00%, see rank | 75.61% | 72.76% |
| Family Households (Families) | 60, 76.92%, see rank | 68.55% | 66.75% |
| Average Family Size | 2.38, see rank | 3.60 | 3.25 |
| Married-Couple Family | 60, 76.92%, see rank | 49.76% | 49.60% |
| Nonfamily Households | 18, 23.08%, see rank | 31.45% | 33.25% |
* 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.