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Los Altos, CA Historical Household and Family Data
ACS 2010-2014 data
Total population: 29,762
| Los Altos, CA | California | U.S. | |
| Total Households | 10,982, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.69, see rank | 2.95 | 2.63 |
| 1 Person Households | 2,231, 20.32%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 8,751, 79.68%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 8,493, 77.34%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.14, see rank | 3.67 | 3.32 |
| Married-Couple Family | 7,648, 69.64%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 2,489, 22.66%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 28,976
| Los Altos, CA | California | U.S. | |
| Total Households | 10,745, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.68, see rank | 2.90 | 2.58 |
| 1 Person Households | 2,086, 19.41%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 8,659, 80.59%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 8,303, 77.27%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.08, see rank | 3.45 | 3.14 |
| Married-Couple Family | 7,476, 69.58%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 2,442, 22.73%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 29,129
| Los Altos, CA | California | U.S. | |
| Total Households | 11,074, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.61, see rank | 2.93 | 2.61 |
| 1 Person Households | 2,350, 21.22%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 8,724, 78.78%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 8,484, 76.61%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.07, see rank | 3.65 | 3.29 |
| Married-Couple Family | 7,625, 68.85%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 2,590, 23.39%, see rank | 31.41% | 33.53% |
ACS 2006-2010 data
Total population: 28,409
| Los Altos, CA | California | U.S. | |
| Total Households | 10,701, 100% | 12,392,852 | 114,235,996 |
| Average Household Size | 2.64, see rank | 2.89 | 2.59 |
| 1 Person Households | 2,189, 20.46%, see rank | 24.39% | 27.24% |
| 2 or More Person Households | 8,512, 79.54%, see rank | 75.61% | 72.76% |
| Family Households (Families) | 8,253, 77.12%, see rank | 68.55% | 66.75% |
| Average Family Size | 3.09, see rank | 3.60 | 3.25 |
| Married-Couple Family | 7,571, 70.75%, see rank | 49.76% | 49.60% |
| Nonfamily Households | 2,448, 22.88%, see rank | 31.45% | 33.25% |
ACS 2005-2009 data
Total population: 27,793
| Los Altos, CA | California | U.S. | |
| Total Households | 10,355, 100% | 12,187,191 | 112,611,029 |
| Average Household Size | 2.66, see rank | 2.91 | 2.60 |
| 1 Person Households | 2,225, 21.49%, see rank | 24.57% | 27.32% |
| 2 or More Person Households | 8,130, 78.51%, see rank | 75.43% | 72.68% |
| Family Households (Families) | 7,858, 75.89%, see rank | 68.38% | 66.67% |
| Average Family Size | 3.15, see rank | 3.63 | 3.27 |
| Married-Couple Family | 7,172, 69.26%, see rank | 49.93% | 49.71% |
| Nonfamily Households | 2,497, 24.11%, see rank | 31.62% | 33.33% |
US Census 2000 data
Total population: 27,693
| Los Altos, CA | California | U.S. | |
| Total Households | 10,462, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.61, see rank | 2.87 | 2.59 |
| 1 Person Households | 1,955, 18.69%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 8,507, 81.31%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 8,026, 76.72%, see rank | 68.85% | 68.06% |
| Average Family Size | 2.98, see rank | 3.43 | 3.14 |
| Married-Couple Family | 7,264, 69.43%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 2,436, 23.28%, 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.