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Lafayette, CA Historical Household and Family Data
ACS 2010-2014 data
Total population: 24,685
| Lafayette, CA | California | U.S. | |
| Total Households | 9,150, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.68, see rank | 2.95 | 2.63 |
| 1 Person Households | 1,677, 18.33%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 7,473, 81.67%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 6,830, 74.64%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.13, see rank | 3.67 | 3.32 |
| Married-Couple Family | 5,994, 65.51%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 2,320, 25.36%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 23,893
| Lafayette, CA | California | U.S. | |
| Total Households | 9,223, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.58, see rank | 2.90 | 2.58 |
| 1 Person Households | 1,916, 20.77%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 7,307, 79.23%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 6,795, 73.67%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.01, see rank | 3.45 | 3.14 |
| Married-Couple Family | 5,871, 63.66%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 2,428, 26.33%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 24,073
| Lafayette, CA | California | U.S. | |
| Total Households | 9,065, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.64, see rank | 2.93 | 2.61 |
| 1 Person Households | 1,859, 20.51%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 7,206, 79.49%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 6,704, 73.95%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.12, see rank | 3.65 | 3.29 |
| Married-Couple Family | 5,765, 63.60%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 2,361, 26.05%, see rank | 31.41% | 33.53% |
ACS 2006-2010 data
Total population: 23,769
| Lafayette, CA | California | U.S. | |
| Total Households | 8,760, 100% | 12,392,852 | 114,235,996 |
| Average Household Size | 2.70, see rank | 2.89 | 2.59 |
| 1 Person Households | 1,838, 20.98%, see rank | 24.39% | 27.24% |
| 2 or More Person Households | 6,922, 79.02%, see rank | 75.61% | 72.76% |
| Family Households (Families) | 6,516, 74.38%, see rank | 68.55% | 66.75% |
| Average Family Size | 3.22, see rank | 3.60 | 3.25 |
| Married-Couple Family | 5,747, 65.61%, see rank | 49.76% | 49.60% |
| Nonfamily Households | 2,244, 25.62%, see rank | 31.45% | 33.25% |
ACS 2005-2009 data
Total population: 24,749
| Lafayette, CA | California | U.S. | |
| Total Households | 9,028, 100% | 12,187,191 | 112,611,029 |
| Average Household Size | 2.73, see rank | 2.91 | 2.60 |
| 1 Person Households | 1,845, 20.44%, see rank | 24.57% | 27.32% |
| 2 or More Person Households | 7,183, 79.56%, see rank | 75.43% | 72.68% |
| Family Households (Families) | 6,782, 75.12%, see rank | 68.38% | 66.67% |
| Average Family Size | 3.23, see rank | 3.63 | 3.27 |
| Married-Couple Family | 5,853, 64.83%, see rank | 49.93% | 49.71% |
| Nonfamily Households | 2,246, 24.88%, see rank | 31.62% | 33.33% |
US Census 2000 data
Total population: 23,908
| Lafayette, CA | California | U.S. | |
| Total Households | 9,152, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.60, see rank | 2.87 | 2.59 |
| 1 Person Households | 1,841, 20.12%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 7,311, 79.88%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 6,755, 73.81%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.02, see rank | 3.43 | 3.14 |
| Married-Couple Family | 5,936, 64.86%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 2,397, 26.19%, 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.