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Millbrae, CA Historical Household and Family Data
ACS 2010-2014 data
Total population: 22,177
| Millbrae, CA | California | U.S. | |
| Total Households | 8,023, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.72, see rank | 2.95 | 2.63 |
| 1 Person Households | 1,904, 23.73%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 6,119, 76.27%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 5,804, 72.34%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.30, see rank | 3.67 | 3.32 |
| Married-Couple Family | 4,565, 56.90%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 2,219, 27.66%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 21,532
| Millbrae, CA | California | U.S. | |
| Total Households | 7,994, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.65, see rank | 2.90 | 2.58 |
| 1 Person Households | 1,883, 23.56%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 6,111, 76.44%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 5,726, 71.63%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.15, see rank | 3.45 | 3.14 |
| Married-Couple Family | 4,543, 56.83%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 2,268, 28.37%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 21,567
| Millbrae, CA | California | U.S. | |
| Total Households | 8,004, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.65, see rank | 2.93 | 2.61 |
| 1 Person Households | 1,995, 24.93%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 6,009, 75.07%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 5,696, 71.16%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.26, see rank | 3.65 | 3.29 |
| Married-Couple Family | 4,445, 55.53%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 2,308, 28.84%, see rank | 31.41% | 33.53% |
ACS 2006-2010 data
Total population: 21,007
| Millbrae, CA | California | U.S. | |
| Total Households | 8,111, 100% | 12,392,852 | 114,235,996 |
| Average Household Size | 2.58, see rank | 2.89 | 2.59 |
| 1 Person Households | 2,261, 27.88%, see rank | 24.39% | 27.24% |
| 2 or More Person Households | 5,850, 72.12%, see rank | 75.61% | 72.76% |
| Family Households (Families) | 5,553, 68.46%, see rank | 68.55% | 66.75% |
| Average Family Size | 3.24, see rank | 3.60 | 3.25 |
| Married-Couple Family | 4,546, 56.05%, see rank | 49.76% | 49.60% |
| Nonfamily Households | 2,558, 31.54%, see rank | 31.45% | 33.25% |
ACS 2005-2009 data
Total population: 20,500
| Millbrae, CA | California | U.S. | |
| Total Households | 7,619, 100% | 12,187,191 | 112,611,029 |
| Average Household Size | 2.67, see rank | 2.91 | 2.60 |
| 1 Person Households | 1,837, 24.11%, see rank | 24.57% | 27.32% |
| 2 or More Person Households | 5,782, 75.89%, see rank | 75.43% | 72.68% |
| Family Households (Families) | 5,521, 72.46%, see rank | 68.38% | 66.67% |
| Average Family Size | 3.25, see rank | 3.63 | 3.27 |
| Married-Couple Family | 4,434, 58.20%, see rank | 49.93% | 49.71% |
| Nonfamily Households | 2,098, 27.54%, see rank | 31.62% | 33.33% |
US Census 2000 data
Total population: 20,718
| Millbrae, CA | California | U.S. | |
| Total Households | 7,956, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.56, see rank | 2.87 | 2.59 |
| 1 Person Households | 1,994, 25.06%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 5,962, 74.94%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 5,511, 69.27%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.08, see rank | 3.43 | 3.14 |
| Married-Couple Family | 4,431, 55.69%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 2,445, 30.73%, 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.