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Los Angeles County Historical Household and Family Data
ACS 2010-2014 data
Total population: 9,974,203
| Los Angeles County | California | U.S. | |
| Total Households | 3,242,391, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 3.02, see rank | 2.95 | 2.63 |
| 1 Person Households | 829,922, 25.60%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 2,412,469, 74.40%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 2,174,805, 67.07%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.84, see rank | 3.67 | 3.32 |
| Married-Couple Family | 1,442,408, 44.49%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 1,067,586, 32.93%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 9,818,605
| Los Angeles County | California | U.S. | |
| Total Households | 3,241,204, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.98, see rank | 2.90 | 2.58 |
| 1 Person Households | 784,928, 24.22%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 2,456,276, 75.78%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 2,194,080, 67.69%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.58, see rank | 3.45 | 3.14 |
| Married-Couple Family | 1,480,665, 45.68%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 1,047,124, 32.31%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 9,840,024
| Los Angeles County | California | U.S. | |
| Total Households | 3,218,511, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 3.00, see rank | 2.93 | 2.61 |
| 1 Person Households | 825,359, 25.64%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 2,393,152, 74.36%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 2,163,751, 67.23%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.81, see rank | 3.65 | 3.29 |
| Married-Couple Family | 1,447,581, 44.98%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 1,054,760, 32.77%, see rank | 31.41% | 33.53% |
ACS 2006-2010 data
Total population: 9,758,256
| Los Angeles County | California | U.S. | |
| Total Households | 3,217,889, 100% | 12,392,852 | 114,235,996 |
| Average Household Size | 2.97, see rank | 2.89 | 2.59 |
| 1 Person Households | 822,194, 25.55%, see rank | 24.39% | 27.24% |
| 2 or More Person Households | 2,395,695, 74.45%, see rank | 75.61% | 72.76% |
| Family Households (Families) | 2,170,227, 67.44%, see rank | 68.55% | 66.75% |
| Average Family Size | 3.77, see rank | 3.60 | 3.25 |
| Married-Couple Family | 1,465,486, 45.54%, see rank | 49.76% | 49.60% |
| Nonfamily Households | 1,047,662, 32.56%, see rank | 31.45% | 33.25% |
ACS 2005-2009 data
Total population: 9,785,295
| Los Angeles County | California | U.S. | |
| Total Households | 3,178,266, 100% | 12,187,191 | 112,611,029 |
| Average Household Size | 3.02, see rank | 2.91 | 2.60 |
| 1 Person Households | 818,901, 25.77%, see rank | 24.57% | 27.32% |
| 2 or More Person Households | 2,359,365, 74.23%, see rank | 75.43% | 72.68% |
| Family Households (Families) | 2,140,307, 67.34%, see rank | 68.38% | 66.67% |
| Average Family Size | 3.83, see rank | 3.63 | 3.27 |
| Married-Couple Family | 1,456,067, 45.81%, see rank | 49.93% | 49.71% |
| Nonfamily Households | 1,037,959, 32.66%, see rank | 31.62% | 33.33% |
US Census 2000 data
Total population: 9,519,338
| Los Angeles County | California | U.S. | |
| Total Households | 3,133,774, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.98, see rank | 2.87 | 2.59 |
| 1 Person Households | 771,854, 24.63%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 2,361,920, 75.37%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 2,136,977, 68.19%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.61, see rank | 3.43 | 3.14 |
| Married-Couple Family | 1,491,327, 47.59%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 996,797, 31.81%, 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.