USA.com / California / San Mateo County / Millbrae, CA / 94030 / Population and Races / Historical Household and Family Data
94030 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 22,203
| 94030 Zip Code | California | U.S. | |
| Total Households | 8,034, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.72, see rank | 2.95 | 2.63 |
| 1 Person Households | 1,904, 23.70%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 6,130, 76.30%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 5,804, 72.24%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.30, see rank | 3.67 | 3.32 |
| Married-Couple Family | 4,565, 56.82%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 2,230, 27.76%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 21,536
| 94030 Zip Code | California | U.S. | |
| Total Households | 7,995, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.65, see rank | 2.90 | 2.58 |
| 1 Person Households | 1,883, 23.55%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 6,112, 76.45%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 5,727, 71.63%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.15, see rank | 3.45 | 3.14 |
| Married-Couple Family | 4,544, 56.84%, 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
| 94030 Zip Code | 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% |
US Census 2000 data
Total population: 20,334
| 94030 Zip Code | California | U.S. | |
| Total Households | 7,809, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.56, see rank | 2.87 | 2.59 |
| 1 Person Households | 1,960, 25.10%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 5,849, 74.90%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 5,404, 69.20%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.08, see rank | 3.43 | 3.14 |
| Married-Couple Family | 4,349, 55.69%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 2,405, 30.80%, 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.