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Santa Clara County Historical Household and Family Data
ACS 2010-2014 data
Total population: 1,841,569
| Santa Clara County | California | U.S. | |
| Total Households | 614,714, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.94, see rank | 2.95 | 2.63 |
| 1 Person Households | 132,366, 21.53%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 482,348, 78.47%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 440,578, 71.67%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.56, see rank | 3.67 | 3.32 |
| Married-Couple Family | 344,651, 56.07%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 174,136, 28.33%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 1,781,642
| Santa Clara County | California | U.S. | |
| Total Households | 604,204, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.90, see rank | 2.90 | 2.58 |
| 1 Person Households | 131,506, 21.77%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 472,698, 78.23%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 426,824, 70.64%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.39, see rank | 3.45 | 3.14 |
| Married-Couple Family | 330,540, 54.71%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 177,380, 29.36%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 1,788,393
| Santa Clara County | California | U.S. | |
| Total Households | 604,455, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.91, see rank | 2.93 | 2.61 |
| 1 Person Households | 133,683, 22.12%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 470,772, 77.88%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 430,878, 71.28%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.53, see rank | 3.65 | 3.29 |
| Married-Couple Family | 335,323, 55.48%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 173,577, 28.72%, see rank | 31.41% | 33.53% |
ACS 2006-2010 data
Total population: 1,739,396
| Santa Clara County | California | U.S. | |
| Total Households | 596,747, 100% | 12,392,852 | 114,235,996 |
| Average Household Size | 2.86, see rank | 2.89 | 2.59 |
| 1 Person Households | 137,017, 22.96%, see rank | 24.39% | 27.24% |
| 2 or More Person Households | 459,730, 77.04%, see rank | 75.61% | 72.76% |
| Family Households (Families) | 421,343, 70.61%, see rank | 68.55% | 66.75% |
| Average Family Size | 3.50, see rank | 3.60 | 3.25 |
| Married-Couple Family | 327,625, 54.90%, see rank | 49.76% | 49.60% |
| Nonfamily Households | 175,404, 29.39%, see rank | 31.45% | 33.25% |
ACS 2005-2009 data
Total population: 1,729,378
| Santa Clara County | California | U.S. | |
| Total Households | 585,424, 100% | 12,187,191 | 112,611,029 |
| Average Household Size | 2.90, see rank | 2.91 | 2.60 |
| 1 Person Households | 137,497, 23.49%, see rank | 24.57% | 27.32% |
| 2 or More Person Households | 447,927, 76.51%, see rank | 75.43% | 72.68% |
| Family Households (Families) | 411,525, 70.30%, see rank | 68.38% | 66.67% |
| Average Family Size | 3.55, see rank | 3.63 | 3.27 |
| Married-Couple Family | 320,262, 54.71%, see rank | 49.93% | 49.71% |
| Nonfamily Households | 173,899, 29.70%, see rank | 31.62% | 33.33% |
US Census 2000 data
Total population: 1,682,585
| Santa Clara County | California | U.S. | |
| Total Households | 565,863, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.92, see rank | 2.87 | 2.59 |
| 1 Person Households | 121,109, 21.40%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 444,754, 78.60%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 395,561, 69.90%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.41, see rank | 3.43 | 3.14 |
| Married-Couple Family | 310,778, 54.92%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 170,302, 30.10%, 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.