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Lake Forest, CA Historical Household and Family Data
ACS 2010-2014 data
Total population: 78,940
| Lake Forest, CA | California | U.S. | |
| Total Households | 26,772, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.93, see rank | 2.95 | 2.63 |
| 1 Person Households | 5,633, 21.04%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 21,139, 78.96%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 20,082, 75.01%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.50, see rank | 3.67 | 3.32 |
| Married-Couple Family | 16,290, 60.85%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 6,690, 24.99%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 77,264
| Lake Forest, CA | California | U.S. | |
| Total Households | 26,224, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.93, see rank | 2.90 | 2.58 |
| 1 Person Households | 4,883, 18.62%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 21,341, 81.38%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 19,612, 74.79%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.30, see rank | 3.45 | 3.14 |
| Married-Couple Family | 15,603, 59.50%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 6,612, 25.21%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 77,605
| Lake Forest, CA | California | U.S. | |
| Total Households | 27,051, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.85, see rank | 2.93 | 2.61 |
| 1 Person Households | 5,741, 21.22%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 21,310, 78.78%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 20,062, 74.16%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.40, see rank | 3.65 | 3.29 |
| Married-Couple Family | 16,229, 59.99%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 6,989, 25.84%, see rank | 31.41% | 33.53% |
ACS 2006-2010 data
Total population: 76,724
| Lake Forest, CA | California | U.S. | |
| Total Households | 26,915, 100% | 12,392,852 | 114,235,996 |
| Average Household Size | 2.84, see rank | 2.89 | 2.59 |
| 1 Person Households | 5,613, 20.85%, see rank | 24.39% | 27.24% |
| 2 or More Person Households | 21,302, 79.15%, see rank | 75.61% | 72.76% |
| Family Households (Families) | 19,715, 73.25%, see rank | 68.55% | 66.75% |
| Average Family Size | 3.38, see rank | 3.60 | 3.25 |
| Married-Couple Family | 15,971, 59.34%, see rank | 49.76% | 49.60% |
| Nonfamily Households | 7,200, 26.75%, see rank | 31.45% | 33.25% |
ACS 2005-2009 data
Total population: 75,285
| Lake Forest, CA | California | U.S. | |
| Total Households | 25,755, 100% | 12,187,191 | 112,611,029 |
| Average Household Size | 2.92, see rank | 2.91 | 2.60 |
| 1 Person Households | 5,185, 20.13%, see rank | 24.57% | 27.32% |
| 2 or More Person Households | 20,570, 79.87%, see rank | 75.43% | 72.68% |
| Family Households (Families) | 18,765, 72.86%, see rank | 68.38% | 66.67% |
| Average Family Size | 3.46, see rank | 3.63 | 3.27 |
| Married-Couple Family | 15,067, 58.50%, see rank | 49.93% | 49.71% |
| Nonfamily Households | 6,990, 27.14%, see rank | 31.62% | 33.33% |
US Census 2000 data
Total population: 58,707
| Lake Forest, CA | California | U.S. | |
| Total Households | 20,008, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.89, see rank | 2.87 | 2.59 |
| 1 Person Households | 3,881, 19.40%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 16,127, 80.60%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 14,741, 73.68%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.31, see rank | 3.43 | 3.14 |
| Married-Couple Family | 11,825, 59.10%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 5,267, 26.32%, 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.