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Siskiyou County Historical Household and Family Data
ACS 2010-2014 data
Total population: 44,261
| Siskiyou County | California | U.S. | |
| Total Households | 19,380, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.25, see rank | 2.95 | 2.63 |
| 1 Person Households | 5,956, 30.73%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 13,424, 69.27%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 12,050, 62.18%, see rank | 68.69% | 66.22% |
| Average Family Size | 2.87, see rank | 3.67 | 3.32 |
| Married-Couple Family | 9,166, 47.30%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 7,330, 37.82%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 44,900
| Siskiyou County | California | U.S. | |
| Total Households | 19,505, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.28, see rank | 2.90 | 2.58 |
| 1 Person Households | 6,067, 31.10%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 13,438, 68.90%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 12,065, 61.86%, see rank | 68.71% | 66.43% |
| Average Family Size | 2.82, see rank | 3.45 | 3.14 |
| Married-Couple Family | 9,184, 47.09%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 7,440, 38.14%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 44,673
| Siskiyou County | California | U.S. | |
| Total Households | 19,585, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.25, see rank | 2.93 | 2.61 |
| 1 Person Households | 6,058, 30.93%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 13,527, 69.07%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 12,152, 62.05%, see rank | 68.59% | 66.47% |
| Average Family Size | 2.88, see rank | 3.65 | 3.29 |
| Married-Couple Family | 9,095, 46.44%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 7,433, 37.95%, see rank | 31.41% | 33.53% |
ACS 2006-2010 data
Total population: 44,690
| Siskiyou County | California | U.S. | |
| Total Households | 20,097, 100% | 12,392,852 | 114,235,996 |
| Average Household Size | 2.18, see rank | 2.89 | 2.59 |
| 1 Person Households | 6,444, 32.06%, see rank | 24.39% | 27.24% |
| 2 or More Person Households | 13,653, 67.94%, see rank | 75.61% | 72.76% |
| Family Households (Families) | 12,276, 61.08%, see rank | 68.55% | 66.75% |
| Average Family Size | 2.81, see rank | 3.60 | 3.25 |
| Married-Couple Family | 9,172, 45.64%, see rank | 49.76% | 49.60% |
| Nonfamily Households | 7,821, 38.92%, see rank | 31.45% | 33.25% |
ACS 2005-2009 data
Total population: 44,404
| Siskiyou County | California | U.S. | |
| Total Households | 19,838, 100% | 12,187,191 | 112,611,029 |
| Average Household Size | 2.19, see rank | 2.91 | 2.60 |
| 1 Person Households | 6,010, 30.30%, see rank | 24.57% | 27.32% |
| 2 or More Person Households | 13,828, 69.70%, see rank | 75.43% | 72.68% |
| Family Households (Families) | 12,447, 62.74%, see rank | 68.38% | 66.67% |
| Average Family Size | 2.79, see rank | 3.63 | 3.27 |
| Married-Couple Family | 9,425, 47.51%, see rank | 49.93% | 49.71% |
| Nonfamily Households | 7,391, 37.26%, see rank | 31.62% | 33.33% |
US Census 2000 data
Total population: 44,301
| Siskiyou County | California | U.S. | |
| Total Households | 18,556, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.35, see rank | 2.87 | 2.59 |
| 1 Person Households | 5,310, 28.62%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 13,246, 71.38%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 12,231, 65.91%, see rank | 68.85% | 68.06% |
| Average Family Size | 2.87, see rank | 3.43 | 3.14 |
| Married-Couple Family | 9,598, 51.72%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 6,325, 34.09%, see rank | 31.15% | 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.