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San Marino, CA Historical Household and Family Data
ACS 2010-2014 data
Total population: 13,294
| San Marino, CA | California | U.S. | |
| Total Households | 4,518, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.92, see rank | 2.95 | 2.63 |
| 1 Person Households | 634, 14.03%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 3,884, 85.97%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 3,783, 83.73%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.24, see rank | 3.67 | 3.32 |
| Married-Couple Family | 3,252, 71.98%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 735, 16.27%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 13,147
| San Marino, CA | California | U.S. | |
| Total Households | 4,330, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 3.02, see rank | 2.90 | 2.58 |
| 1 Person Households | 531, 12.26%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 3,799, 87.74%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 3,730, 86.14%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.28, see rank | 3.45 | 3.14 |
| Married-Couple Family | 3,220, 74.36%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 600, 13.86%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 13,172
| San Marino, CA | California | U.S. | |
| Total Households | 4,396, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.99, see rank | 2.93 | 2.61 |
| 1 Person Households | 493, 11.21%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 3,903, 88.79%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 3,822, 86.94%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.24, see rank | 3.65 | 3.29 |
| Married-Couple Family | 3,370, 76.66%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 574, 13.06%, see rank | 31.41% | 33.53% |
ACS 2006-2010 data
Total population: 13,114
| San Marino, CA | California | U.S. | |
| Total Households | 4,416, 100% | 12,392,852 | 114,235,996 |
| Average Household Size | 2.97, see rank | 2.89 | 2.59 |
| 1 Person Households | 547, 12.39%, see rank | 24.39% | 27.24% |
| 2 or More Person Households | 3,869, 87.61%, see rank | 75.61% | 72.76% |
| Family Households (Families) | 3,777, 85.53%, see rank | 68.55% | 66.75% |
| Average Family Size | 3.25, see rank | 3.60 | 3.25 |
| Married-Couple Family | 3,390, 76.77%, see rank | 49.76% | 49.60% |
| Nonfamily Households | 639, 14.47%, see rank | 31.45% | 33.25% |
ACS 2005-2009 data
Total population: 12,795
| San Marino, CA | California | U.S. | |
| Total Households | 4,278, 100% | 12,187,191 | 112,611,029 |
| Average Household Size | 2.99, see rank | 2.91 | 2.60 |
| 1 Person Households | 652, 15.24%, see rank | 24.57% | 27.32% |
| 2 or More Person Households | 3,626, 84.76%, see rank | 75.43% | 72.68% |
| Family Households (Families) | 3,563, 83.29%, see rank | 68.38% | 66.67% |
| Average Family Size | 3.35, see rank | 3.63 | 3.27 |
| Married-Couple Family | 3,183, 74.40%, see rank | 49.93% | 49.71% |
| Nonfamily Households | 715, 16.71%, see rank | 31.62% | 33.33% |
US Census 2000 data
Total population: 12,945
| San Marino, CA | California | U.S. | |
| Total Households | 4,266, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 3.03, see rank | 2.87 | 2.59 |
| 1 Person Households | 514, 12.05%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 3,752, 87.95%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 3,674, 86.12%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.29, see rank | 3.43 | 3.14 |
| Married-Couple Family | 3,201, 75.04%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 592, 13.88%, 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.