USA.com / California / San Mateo County / Loma Mar, CA / 94021 / Population and Races / Historical Household and Family Data
94021 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 211
| 94021 Zip Code | California | U.S. | |
| Total Households | 86, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.45, see rank | 2.95 | 2.63 |
| 1 Person Households | 26, 30.23%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 60, 69.77%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 60, 69.77%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.08, see rank | 3.67 | 3.32 |
| Married-Couple Family | 60, 69.77%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 26, 30.23%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 192
| 94021 Zip Code | California | U.S. | |
| Total Households | 94, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.04, see rank | 2.90 | 2.58 |
| 1 Person Households | 43, 45.74%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 51, 54.26%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 38, 40.43%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.00, see rank | 3.45 | 3.14 |
| Married-Couple Family | 34, 36.17%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 56, 59.57%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 93
| 94021 Zip Code | California | U.S. | |
| Total Households | 63, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 1.48, see rank | 2.93 | 2.61 |
| 1 Person Households | 33, 52.38%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 30, 47.62%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 30, 47.62%, see rank | 68.59% | 66.47% |
| Average Family Size | 2.00, see rank | 3.65 | 3.29 |
| Married-Couple Family | 30, 47.62%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 33, 52.38%, see rank | 31.41% | 33.53% |
US Census 2000 data
Total population: 128
| 94021 Zip Code | California | U.S. | |
| Total Households | 54, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.35, see rank | 2.87 | 2.59 |
| 1 Person Households | 15, 27.78%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 39, 72.22%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 35, 64.81%, see rank | 68.85% | 68.06% |
| Average Family Size | 2.86, see rank | 3.43 | 3.14 |
| Married-Couple Family | 28, 51.85%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 19, 35.19%, 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.